CN104434731A - Nutritional nourishing hand cream and preparation method thereof - Google Patents

Abstract

The invention discloses a nourishing and moisturizing hand cream and a preparation method thereof. The hand cream contains the following substances: shea butter, horse oil, wheat germ oil, rose soaking oil, snow lotus soaking oil, forget-me-not soaking oil Oil, universal self-emulsifying compound emulsifier AC-402, 25% triethanolamine, bletilla striata extract, green tea extract, kiwifruit extract, fireacantha extract, 1,2-propylene glycol, biopolysaccharide gum, 20% urea solution, Liponic EG-1, trehalose, niacinamide, honey, vitamin E, sodium alginate, hydroxypropyl methylcellulose, 1% disodium edetate solution, 10% citric acid solution, 5% nicotinic acid solution Parkin Ethyl Ester Alcohol Solution, Distilled Water, Essence. Compared with the prior art, the product of the present invention brings rich nutrition to the skin of hands, can deeply moisturize dry and rough hands, adjust the balance of water and oil, soften old dead skin cells, smooth fine lines, and replenish moisture for hands. Increase the effect of moisturizing and whitening.

Description

Nutritious and moisturizing hand cream and preparation method thereof

technical field

The invention belongs to the field of skin care products, and in particular relates to a nourishing and moisturizing hand cream and a preparation method thereof.

Background technique

Due to long-term exposure to external stimuli such as sunlight, pollution, and cold, hand skin aging and dryness have become younger and more common. Solving hand problems is a manifestation of improving the quality of life. As we all know, hands are the second face of a woman. It can be seen that the maintenance of hand skin is extremely important. Having a pair of healthy and white hands is the pursuit of every beauty lover. However, we often have to endure the damage to our hands from weather, chemicals, and labor, but we cannot buy safe and effective hand creams, so that people are troubled by hand problems, such as dryness, peeling, frostbite, skin aging, Yellowing, etc. These problems greatly reduce the beauty of youth, and also bring a lot of trouble to our lives.

Flowers and fruits rich in plant polysaccharides, vitamins and their active ingredients all have special effects and are the best raw materials for natural functional cosmetics. Proper selection of natural plants and adding plant essences to hand cream can establish a water-locking barrier mechanism To respond to external environmental stimuli and avoid water loss. The unique active ingredients of each plant can provide a variety of precious nutrients to the skin of the hands, reduce the appearance of fine lines, whiten the skin, enhance the color and brightness of the skin, and give the skin of the hands a deep care. Utilizing advanced technology, extracting plant essences from natural flowers and fruits and adding them to hand cream can comprehensively improve the skin of hands and reshape plump and soft slender hands. No matter for fashionable men and women or middle-aged and elderly people, using natural flowers and fruits Moisturizing hand cream with essence extracts is a scientific, effective, convenient and quick skin care method.

Contents of the invention

The object of the present invention is to provide a nourishing and moisturizing hand cream containing natural flower and fruit plant essence.

Another object of the present invention is to provide a method for preparing a nourishing and moisturizing hand cream.

A kind of nourishing and moisturizing hand cream, its raw material components and contents are as follows in parts by weight:

The bletilla striata extract is prepared by the following method:

Weigh an appropriate amount of Bletilla striata, soak for 0.15-1h, heat to 90-100°C, decoct and extract 3 times, add 6-12 times the amount of water for the first time, extract for 0.5-2h, add 4-10 times the amount of water for the second time, Extract for 0.5-1.5h, add 3-8 times the amount of water for the third time, extract for 0.5-1.5h, filter each time, combine the filtrate, concentrate the volume of the filtrate to 3-6 times g/ml of the weight of Bletilla striata, filter, and take Filtrate, that is.

Described green tea extract is prepared by the following method:

Weigh an appropriate amount of green tea, soak for 0.15-0.8h, heat and decoct at 90-100°C for extraction 3 times, add 6-12 times the amount of water for the first time, extract for 0.5-2h, add 4-10 times the amount of water for the second time, Extract for 0.5-1.5h, add 3-8 times the amount of water for the third time, extract for 0.5-1.5h, filter each time, combine the filtrate, concentrate the volume of the filtrate to 3-6 times the weight of green tea g/ml, filter, and take Filtrate, that is.

Described kiwi fruit extracting liquid is prepared by the following method:

Weigh fresh kiwi fruit, peel, cut into pieces, weigh a certain amount, put it into a juice extractor, and add 8-12 times g/ml distilled water, and filter the obtained kiwi fruit juice with double-layer gauze for 3-6 times, Filter and take the filtrate, that is, too.

Described fire-acantha extracting liquid is prepared by the following method:

Weigh a certain amount of fresh Pyracantha fruit, put it into a juice extractor, and add 8-12 times g/ml distilled water, filter the Pyracantha fruit juice with double-layer gauze for 3-6 times, filter, and take the filtrate, namely have to.

Described rose steeping oil is prepared by the following method:

Weigh an appropriate amount of dried rose, soak in 10-18 times g/ml corn oil, soak for 12-24h, ultrasonically extract at 30-60°C for 5-6h, filter, and take the filtrate to obtain the product.

Described snow lotus soaking oil is prepared by the following method:

Weigh an appropriate amount of dried snow lotus, soak in 10-18g/ml corn oil, soak for 12-24h, ultrasonically extract at 30-60°C for 5-6h, filter, and take the filtrate to obtain the product.

The forget-me-not soaking oil is prepared by the following method:

Weigh an appropriate amount of forget-me-not, soak in 10-18 times the camellia seed oil, soak for 12-24h, ultrasonically extract at 30-60°C for 5-6h, filter, and take the filtrate to obtain the product.

The essence is one of rose essence, peach essence, pineapple essence, lemon essence, cucumber essence, jasmine essence and osmanthus essence.

A kind of preparation method of nourishing moisturizing type hand cream provided by the invention comprises the following steps:

a) Weigh 0.01-0.5 parts of sodium alginate, dissolve in 1-10 parts of distilled water, heat to 60-80°C, stir while heating, mix evenly, let stand to let it fully swell, and obtain sodium alginate solution;

b) Weigh 0.01-0.5 parts of hydroxypropyl methylcellulose, disperse in 5-12 parts of distilled water, stir rapidly until uniform, let stand, and swell naturally for 5-7 hours, and set aside;

c) Weigh 0.5-5.0 parts of shea butter, 0.2-5.0 parts of horse oil, 1.0-5.0 parts of wheat germ oil, 1.0-5.0 parts of rose soaking oil, 1.0-5.0 parts of snow lotus soaking oil, and 1.0 parts of forget-me-not soaking oil -5.0 parts, universal self-emulsifying compound emulsifier AC-402 1.0-5.0 parts are placed in a beaker, heated and melted in a water bath at a temperature of 60-90 ° C, as the oil phase;

d) Weighing 4.0-50.0 parts of distilled water and 1.0-5.0 parts of 25% triethanolamine solution, heating in a water bath at 60-90°C to obtain an aqueous phase;

e) Weigh 11.0-5.0 parts of Liponic EG-1, 1.0-5.0 parts of 1-2 propylene glycol, 2.0-5.0 parts of biopolysaccharide gum, the sodium alginate solution prepared in step a), and the hydroxypropylmethyl prepared in step b). The cellulose solution is heated to 80-90°C, stirred evenly to obtain a thickener;

f) After the oil phase is completely melted, pour the water phase into the oil phase, and stir in the same direction while adding, until it becomes a uniform milky white paste, that is, the matrix is obtained, and the matrix is cooled to room temperature;

g) Weigh 0.1-2.0 parts of honey, 0.5-5.0 parts of trehalose, 0.01-1.0 parts of nicotinamide, 0.1-1.0 parts of vitamin E, 1.0-5.0 parts of 20% urea solution, 0.1-3.0 parts of Bletilla striata extract, green tea extract 0.1-3.0 parts of liquid, 0.1-3.0 parts of Pyracantha fruit extract, 0.1-3.0 parts of kiwifruit extract, stir and mix evenly, add to the cooled base to obtain cream paste;

h) Add the thickener prepared in step e) to the cream paste obtained in step g), stir for 10-15 minutes, mix well, then add 0.1-5.0 parts of 10% citric acid solution, and adjust the pH between 6-7 between;

i) Finally, add 0.01-5.0 parts of 1% disodium edetate solution, 0.01-5.0 parts of 5% ethylparaben alcohol solution, wherein the ethanol concentration is 75%, 0.01-0.05 parts of 1% essence, and stir well , that is, a nourishing and moisturizing hand cream containing natural flower and fruit plant extracts.

Various compositions among the present invention are as follows:

Shea butter, known as "liquid gold", is a pure natural green plant-sourced solid oil, which is easily absorbed by the human body, can promote epidermal cell regeneration, deeply moisturize, prevent dryness and cracking, form a protective film on the skin surface, and moisturize , sun protection, protection effect is remarkable. The phytosterols it contains have anti-inflammatory and anti-allergic effects on the injured skin. The natural sunscreen ingredient-cinnamic acid contained in it can inhibit the formation of black tyrosinase, have a certain effect on the isolation of ultraviolet rays, and can make brown Spots become lighter or even disappear. Because of its strong anti-oxidation effect, shea butter is mild and non-irritating, and can maintain the natural elasticity of the skin. It is an ideal raw material for protecting hands and moisturizing the skin. It is suitable for all kinds of babies, children's skin, sensitive skin, Adult use.

The main components of horse oil are oleic acid, linoleic acid and palmitic acid, wherein the total content of oleic acid and linoleic acid is 50%. The nutrients contained in horse oil (vitamin E and linolenic acid) can restore the health of the body and make the skin soft, and can strengthen the immunity and resistance to diseases. A small amount of "saturated fatty acid" in horse oil forms a protective film on the skin surface, and a large amount of unsaturated fatty acid is absorbed by the skin, participates in the metabolic function of human skin tissue, and plays a very important role in the repair of damaged skin cells.

Roses contain volatile oil (rose oil), quercetin, bitter quality, fat, tannins, multivitamins, glucose, fructose, lemon sugar and other ingredients that are beneficial to human health. Scavenging free radicals, eliminating pigmentation, and arousing youthful vitality, long-term use can make the skin moist and lustrous, long-term use, the beauty effect is very good. Rose extract oil has moisturizing and nourishing effects, making dry and sensitive skin instantly moist and tender; it has astringent, antibacterial, calming and soothing effects, tightens pores, inhibits excessive oil secretion, and makes skin delicate and fresh without oily shine ;The aroma of roses can soothe and tighten emotions, and then relax the mood, giving people peace of mind and happiness, eliminating stress, and further enhancing the skin beautification effect.

Forget-me-not has the functions of clearing heat and detoxification, clearing heart and improving eyesight, nourishing yin and kidney, beautifying skin, nourishing blood and regulating menstruation. It can also promote the metabolism of the body, delay cell aging and improve immunity. Contains vitamin C, beautifies and whitens, avoids wrinkles and dark spots, especially has a certain effect on eliminating freckles and acne.

Snow lotus is an ideal natural anti-aging agent and has been a good medicine for skin diseases since ancient times. It contains yacon lactone, yacon polysaccharides, amino acids, vitamins, sugars, minerals, sterol compounds, biological enzymes and other active substances. Its sun protection factor is as high as 22SPF, which is much higher than the domestic super-intensity ultraviolet radiation of 15SPF. Therefore, it can effectively protect the skin from ultraviolet rays, and has a significant inhibitory effect on the increase of lipid peroxide in the liver and serum caused by toxins in the body. Snow lotus has the functions of anti-inflammation, tissue repair and anti-superoxide free radicals, and it has positive significance in the defense of long-term chronic progressive damage of free radicals induced by physiological or non-physiological factors (such as diseases). This effect, when taken internally, manifests as health care and enhancing immune function, and when used externally, it can achieve the purposes of beauty treatment, freckle removal, and delaying skin aging. Snow lotus ground into powder and soaking liquid can nourish the skin, and can inhibit skin fungi such as Epidermophyton and Nocardia asteroides. It has a good therapeutic effect and can also block ultraviolet rays. Snow lotus can accelerate skin metabolism, balance endocrine, naturally remove fire and freckles, reduce wrinkles, keep skin shiny and plump, and has a good effect on facial freckles and liver spots. These excellent properties of snow lotus are used for skin care and hair care, and have moisturizing, sterilizing, anti-inflammatory, muscle-growing, sun-proof, softening, smoothing and whitening effects on the skin.

Biopolysaccharide gum is a 1% linear polysaccharide viscous solution, which perfectly has good sensory advantages and moisturizing effect, and is the best "active excipient". Sugar's ability to "absorb water" enhances its moisturizing properties. Bio-polysaccharide gum provides enhanced hydration to the skin over time.

Vitamin E is an important antioxidant. Vitamin E can stabilize the active protein structure of the cell membrane, promote the normal development of muscles and maintain the elasticity of the skin, keeping the skin and body alive. Vitamin E has an anti-aging effect. When it enters the skin cells, it can directly help the skin resist free radicals, ultraviolet rays and pollutants, prevent the skin from losing its elasticity and aging due to some chronic or hidden damage, and at the same time eliminate lipofuscin in the skin. Deposition in cells improves the normal function of cells and slows down the aging process of tissue cells.

Green tea helps to delay aging, prevent and treat radiation damage. Tea polyphenols in green tea, which are helpful for beauty and skin care, have strong antioxidant and physiological activities. They are scavengers of free radicals in the human body, and they can block lipid peroxidation and scavenge active enzymes. Tea polyphenols and their oxidation products have the ability to absorb the poison of radioactive substances strontium 90 and cobalt 60. Tea polyphenols are water-soluble substances. Washing the face with it can remove the greasy face, tighten pores, have the functions of disinfection, sterilization, anti-aging skin, and reduce the damage of ultraviolet radiation in the sun to the skin.

Kiwi fruit has the effects of promoting body fluid and relieving heat, nourishing and strengthening the body. It contains hydrolase of thiol protease and superoxide dismutase, which has the functions of beautifying, improving immunity, anti-aging, softening blood vessels, anti-tumor, anti-inflammation, black hair, beautifying and delicate skin. Kiwi fruit is rich in vitamin A, vitamin C and vitamin E, and has antioxidant effect, which can effectively whiten the skin, eliminate freckles and acne, enhance the skin's anti-aging ability, strengthen the immune system, promote wound healing, and treat acne and acne. Acne marks are quite effective.

Pyracantha fruit is rich in organic acids, proteins, amino acids, vitamins and various mineral elements. Pyracantha contains biological whitening substances, which can effectively inhibit the activity of various pigment enzymes in the human body, so that the skin does not produce pigment. Women in some red fruit producing areas use red fruit juice to apply to their faces. It is said that the whitening effect is very good, and its extract is widely used in cosmetics.

Bletilla striata has the functions of astringent and hemostasis, detumescence and muscle growth, promotion of epithelial cell repair, and directly participates in the repair and metabolic process of damaged tissues and cells, so it has the effects of promoting wound healing, anti-aging, anti-wrinkle, and moisturizing. Bletilla striata glucoside is used in the fields of epithelial cell repair, wrinkle removal and anti-aging in the cosmetic industry. β-glucan usually induces the activation of macrophages, and the activation of macrophages will cause a series of reactions, first of all, it will cause the activation of fibroblasts, which will produce epidermal growth factor (ECGF) and angiogenic factor (AF) against Aging wrinkled skin. ECGF boosts collagen and elastin production, which improves skin appearance and reduces wrinkles.

Sodium alginate has a good thickening effect in cosmetics and can improve skin moisture retention. It is a common thickener and moisturizer in cosmetics.

The prescription of this hand cream has added a lot of natural flower and fruit plant extracts. On the one hand, it repairs dry and rough hands through deep moisturizing, and adjusts the balance of water and oil, thereby inhibiting pigmentation and wrinkles, preventing frostbite, frostbite and dry cracking. Many ingredients in this prescription have comprehensive nutrients and antioxidant ingredients, such as comfrey, fireacantha, bletilla striata, etc. contain trace elements selenium, manganese, monounsaturated fatty acids, vitamins A, C, and E. Bletilla striata glue can participate in the repair and metabolic process of damaged tissues or cells, promote the repair of epithelial cells, and eliminate sores and freckles. Comfrey can have a better effect on frostbite and frostbite. Another example is shea butter, camellia seed oil, wheat germ oil and other natural oils that can deeply moisturize the skin of the hands, smooth fine lines, and bring rich nutrition to the skin of the hands. The index is the closest. It contains rich non-saponifiable ingredients, which are easily absorbed by the human body. It can not only prevent dryness and cracking, but also further restore and maintain the natural elasticity of the skin. It has good deep moisturizing effect, and is also anti-inflammatory and anti-allergic. And anti-ultraviolet effect, specially added vitamin E and urea to effectively prevent hands from peeling and cracking caused by dryness.

On the other hand, it supplements sufficient nutrition through whitening and moisturizing, beautifies the skin of the hands, and makes the complexion delicate, shiny, white and elastic. Such as rose, snow lotus, forget-me-not, kiwi fruit, and green tea rich in plant mucus, minerals, polysaccharides, organic acids, vitamins, antioxidant ingredients, etc., which can effectively replenish moisture for hands and relieve tight and dry skin. Soften the old dead skin cells, while moisturizing the skin, increase the moisturizing and whitening effect.

Compared with the existing technology, this hand cream is soft and slippery in texture, fragrant in temperature, fine and uniform, can deeply moisturize the skin of hands, soften and rough skin, accelerate wound repair, regulate skin immune function, enhance skin resistance to external stimuli, prevent frostbite, Frostbite, improve skin blood circulation, promote metabolism, make the skin full of elasticity, softness and long-lasting moisturizing power and smoothness, which can effectively help solve the feeling of dryness, tightness and discomfort of hands, and effectively heal the injuries caused by various problems. Feel comfortable and moisturised immediately after use.

Detailed ways

The present invention will be further described below in conjunction with the examples.

Shea butter, bletilla striata, green tea and kiwi fruit of the present invention are commercially available.

Example 1

1.1 Preparation of Bletilla striata extract:

Weigh 50g of Bletilla striata, soak for 1 hour, heat to 100°C, decoct and extract 3 times, add 12 times the amount of water for the first time, extract for 2 hours, add 10 times the amount of water for the second time, extract for 1.5 hours, and add 8 times the amount for the third time Measure water, extract for 1 hour, filter each time, combine the filtrates, concentrate the volume of the filtrates to 6 times the weight of Bletilla striata in g/ml, filter, and take the filtrates to obtain the product.

1.2 Preparation of green tea extract:

Weigh 20g of green tea, soak for 0.8h, heat and decoct at 100°C for 3 times, add 12 times the amount of water for the first time, extract for 2 hours, add 10 times the amount of water for the second time, extract for 1.5 hours, and add 8 times for the third time Measure water, extract for 1 hour, filter each time, combine the filtrates, concentrate the volume of the filtrates to 6 times the weight of green tea g/ml, filter, and take the filtrates to obtain the product.

1.3 Preparation of kiwi fruit extract:

Weigh fresh kiwi fruit, peel, cut into pieces, weigh 30g, put it into a juice extractor, and add 12 times of distilled water, filter the obtained kiwi fruit juice with double-layer gauze for 5 times, filter, and take the filtrate.

1.4 Preparation of Pyracantha fruit extract:

Weigh 30g of fresh Pyracantha fruit, put it into a juice extractor, add 12 times of distilled water, filter the obtained Pyracantha japonicus juice with double-layer gauze for 6 times, filter, and take the filtrate to obtain the product.

1.5 The rose soaked oil extract is prepared by the following method:

Weigh 30g of dried rose, soak in 18 times g/ml corn oil, soak for 15h, ultrasonically extract at 40°C for 5h, filter, and take the filtrate to obtain the product.

The snow lotus soaking oil described in 1.6 is prepared by the following method:

Weigh 30g of dried snow lotus, soak in 16 times g/ml corn oil, soak for 15h, ultrasonically extract at 50°C for 6h, filter, and take the filtrate to obtain the product.

The forget-me-not soaking oil described in 1.7 is prepared by the following method:

Weigh 40g of forget-me-not, soak in 16 times g/ml Camellia oleifera seed oil, soak for 20h, ultrasonically extract at 30°C for 6h, filter, and take the filtrate to obtain the product.

The preparation method of a kind of nourishing and moisturizing type hand cream containing natural flower and fruit plant essence described in 1.8 comprises the following steps:

a) Weigh 0.5 g of sodium alginate, dissolve it in 10 ml of water, heat to 70° C., stir while heating, mix evenly, let it stand still to fully swell, and obtain sodium alginate solution;

b) Weigh 0.5 g of hydroxypropyl methylcellulose, disperse it in 12 ml of distilled water, stir rapidly until uniform, let stand, and swell naturally for 7 hours, and set aside;

c) Weigh 3.0g shea butter, 2.0g horse oil, 2.0g wheat germ oil, 2g rose soaking oil, 2.0g snow lotus soaking oil, 1.0g forget-me-not soaking oil, universal self-emulsifying compound emulsifier AC -4022.0g is placed in a beaker, heated and melted on a water bath at a temperature of 70°C, and used as the oil phase;

d) Weighing 20.0 g of distilled water and 2.0 g of 25% triethanolamine solution, heating in a water bath at 70° C. to obtain an aqueous phase;

e) Weigh Liponic EG-12.0g, 1-2 propylene glycol 3.0g, biopolysaccharide gum 3.0g, the sodium alginate solution prepared in step a), the hydroxypropyl methylcellulose solution prepared in step b), and heat up to 90 °C, stir evenly to obtain a thickener;

f) After the oil phase is completely melted, pour the water phase into the oil phase, and stir in the same direction while adding, until it becomes a uniform milky white paste, that is, the matrix is obtained, and the matrix is cooled to room temperature;

g) Weigh 0.5g of honey, 0.5g of trehalose, 0.4g of nicotinamide, 0.2g of vitamin E, 1.0g of 20% urea solution, 0.2g of Bletilla striata extract, 0.3g of green tea extract, 1.0g of Pyracantha fruit extract, Kiwi fruit extract 1.0g, stir and mix evenly, add to the cooled base to obtain cream paste;

h) Add the cream paste obtained in step g) to the thickener prepared in step e), stir for 10 minutes, mix well, then add 0.2 g of 10% citric acid solution, and adjust the pH to 6.9;

i) Finally, add 0.2 g of 1% disodium edetate solution, 0.5 g of 5% ethylparaben alcohol solution, the concentration of ethanol used is 75%, and 0.02 parts of 1% essence are stirred evenly to obtain natural flowers and fruits Nutritious and moisturizing hand cream with plant extracts.

Example 2

The bletilla striata extract described in 2.1 is prepared by the following method:

Weigh 30g of Bletilla striata, soak for 0.15h, heat to 90°C, decoct and extract 3 times, add 11 times the amount of water for the first time, extract for 1.5h, add 8 times the amount of water for the second time, extract for 1h, and add 5 times the amount for the third time Double the amount of water, extract for 1 hour, filter each time, combine the filtrates, concentrate the volume of the filtrates to 5 times the weight of Bletilla striata in g/ml, filter, and take the filtrates to obtain the product.

The green tea extract described in 2.2 is prepared by the following method:

Weigh 20g of green tea, soak for 0.5h, heat and decoct at 90°C for 3 times, add 10 times the amount of water for the first time, extract for 1.5 hours, add 8 times the amount of water for the second time, extract for 1 hour, and add 8 times for the third time Measure water, extract for 1 hour, filter each time, combine the filtrates, concentrate the volume of the filtrate to 5 times the weight of green tea g/ml, filter, and take the filtrate to obtain the product. .

The kiwi fruit extract described in 2.3 is prepared by the following method:

Weigh fresh kiwi fruit, peel, cut into pieces, weigh 50g, put it into a juice extractor, and add 8 times of distilled water, filter the gained kiwi fruit juice 5 times with double-layer gauze, take the filtrate, and set aside.

The extracting liquid of fireacthorn fruit described in 2.4 is prepared by the following method:

Weigh 50g of fresh Pyracantha fruit, put it into a juice extractor, and add 10 times of distilled water, filter the obtained Pyracantha fruit juice for 5 times with double-layer gauze, take the filtrate, and set aside.

The rose soaked oil extract described in 2.5 is prepared by the following method:

Weigh 30g of dried rose, soak in 12 times g/ml corn oil, soak for 18h, ultrasonically extract at 50°C for 6h, filter, and take the filtrate to obtain the product.

The snow lotus soaking oil described in 2.6 is prepared by the following method:

Weigh 40g of dried snow lotus, soak in 16 times g/ml corn oil, soak for 20h, ultrasonically extract at 50°C for 6h, filter, and take the filtrate to obtain the product.

2.7 Preparation of forget-me-not soaking oil:

Weigh 50g of forget-me-not, soak in 15 times g/ml Camellia oleifera seed oil, soak for 20h, ultrasonically extract at 45°C for 5h, filter, and take the filtrate to obtain the product.

The preparation method of a kind of nourishing and moisturizing type hand cream containing natural flower and fruit plant essence described in 2.8 comprises the following steps:

a) Weigh 0.3 g of sodium alginate, dissolve it in 8 ml of water, heat to 80° C., stir while heating, mix evenly, let stand to allow it to fully swell, and obtain a sodium alginate solution;

b) Weigh 0.3 g of hydroxypropyl methylcellulose, disperse it in 9 ml of water, stir rapidly until uniform, let stand, and swell naturally for 7 hours, and set aside;

c) Weigh 1.0g shea butter, 1.0g horse oil, 1.0g wheat germ oil, 1.0g rose soaking oil, 2.0g snow lotus soaking oil, 2.0g forget-me-not soaking oil, universal self-emulsifying compound emulsifier Put 2.0g of AC-402.0g in a beaker, heat and melt on a water bath at a temperature of 80°C, and use it as the oil phase;

d) Weighing 25.0 g of distilled water and 2.0 g of 25% triethanolamine solution, heating in a water bath at 80° C. to obtain an aqueous phase;

e) Weigh Liponic EG-12.0g, 1-2 propylene glycol 3.0g, biopolysaccharide gum 5.0g, sodium alginate solution prepared in step a), hydroxypropyl methylcellulose solution prepared in step b) and heat up to 80°C , stir evenly to obtain a thickener;

f) After the oil phase is completely melted, pour the water phase into the oil phase, and stir in the same direction while adding, until it becomes a uniform milky white paste, that is, the matrix is obtained, and the matrix is cooled to room temperature;

g) Weigh 0.5g of honey, 1.0g of trehalose, 0.2g of nicotinamide, 0.1g of vitamin E, 2.0g of 20% urea solution, 0.5g of Bletilla striata extract, 0.5g of green tea extract, 0.5g of Pyracantha fruit extract, 0.5g of kiwi fruit extract liquid, stirred and mixed evenly, added to the cooled base to obtain cream paste;

h) Add the cream paste obtained in step g) to the thickener prepared in step e), stir for 15 minutes, mix well, then add 0.2 g of 10% citric acid solution, and adjust the pH to 6.7;

i) Finally, add 0.5 g of 1% disodium edetate solution, 0.5 g of 5% ethylparaben alcohol solution, wherein the ethanol concentration is 75%, 0.01 part of 1% essence and stir evenly to obtain natural flowers and fruits Nutritious and moisturizing hand cream with plant extracts.

Example 3

The physicochemical index of embodiment 1,2 is as follows:

3.1 Traits

This product is light pink in color, suitable in consistency, soft and slippery in texture, fragrant in smell, fine and uniform, good in spreadability, good in moisturizing and nourishing.

3.2 pH check

Get this product, measure with pH meter, record pH value between 6-7.

3.3 Hot and cold test

Package the hand cream in a transparent cosmetic bottle and refrigerate it in a refrigerator at 4°C for one month to observe that there is no delamination. In a constant temperature box at 55°C for 24 hours, the hand cream has no delamination, emulsification and odor change.

3.4 Centrifugal test

Pack the hand cream in a stoppered test tube at 3000r/min, centrifuge for 20min, no layering phenomenon.

3.5 Placement experiment at room temperature

The hand cream prepared in Examples 1 and 2 was placed in a cosmetic bottle, and left standing at room temperature for 6 months, no delamination phenomenon, no change in feeling after use, no change in smell, and no deterioration.

3.6 Irritation test, allergy test

The hair on the back of the mouse was cut off, and the hand cream prepared according to Examples 1 and 2 was applied to the cut-off area respectively, and compared with the unpainted area, the results showed no irritation and allergic reaction.

Get 1 gram of Example and apply it on the hands of volunteers (15-65 years old, 80 people), and observe after 30 minutes, there is no redness, rash, and blistering.

3.7 Inhibition of tyrosinase activity in mouse melanocytes

Take 1g of the hand cream prepared according to Examples 1 and 2, add 40ml of distilled water respectively, and dilute for later use. B ₁₆ melanocytes were inoculated in a 96-well plate, 100 μl per well, cultured in an incubator for 24 hours, and hand cream dilution was added. After 3 days of drug action, the upper solution was discarded, washed twice with pH 6.8 polybutylene succinate (PBS), and 90 μl of PBS containing 1% (volume fraction) TritonX-100 was added to each well. Sonicate in an ice bath, add 10 μl of 10 mmol/L L-dopa (L-dopa) to each well, incubate at 37°C for 60 min, measure color at 475 nm, set the blank well to zero, and measure the absorbance value of each well.

Inhibition rate% = (1- average absorbance value of drug group ÷ average absorbance value of control group) × 100%

3.8 Inhibition of melanin synthesis in mouse melanocytes

Take 1g of the hand cream prepared according to Examples 1 and 2, add 40ml of distilled water respectively, and dilute for later use. B16 melanoma cells from mice were inoculated on culture dishes at a density of 1×10 ⁵ cells/ml, and cultured at 37°C and 5% CO ₂ for 2 days. Discard the supernatant and add hand cream diluent. After 3 days of drug action, discard the supernatant, wash with PBS, add 0.5ml of trypsin to each well to digest the cells for 3min, and add 2ml of maintenance solution to each well to stop the digestion. After mixing by pipetting, take out 0.5ml of each concentration for cell counting. The rest of the cell suspension was centrifuged at 2500r/min for 5min, the supernatant was discarded, NaOH solution was added to the precipitate, heated to dissolve the melanin, and the absorbance value was measured on an enzyme-linked immunosorbent assay with a wavelength of 490nm.

Melanin synthesis inhibition rate%=[1-(absorbance value of drug well ÷ cell density of drug well) ÷ (absorbance value of control well ÷ cell density of control well)]×100%

3.7-3.8 The experimental results are shown in Table 1:

Table 1 Experimental results

Embodiment 1 Inhibition rate (%) Embodiment 2 Inhibition rate (%) Inhibition of tyrosinase activity 59.3 59.7 Inhibit melanin synthesis 65.5 67.7

Experiments show that this hand cream can inhibit the activity of tyrosinase and the synthesis of melanin, which also shows that the hand cream has a whitening effect.

Example 4:

Moisturizing effect experiment

Evaluate the moisturizing and repairing effect of embodiment 1 and 2 by trial experiment. The hand cream produced by Examples 1 and 2 was compared with the commercially available moisturizing hand cream. Select 120 women with rough hands aged 25-45. Divide them arbitrarily into three groups. Rub hands with hand cream twice a day, morning and evening respectively, Example 1 group uses the hand cream prepared according to Example 1, Example 2 group uses the hand cream prepared according to Example 2, and the control group smears commercially available moisturizing hand cream Cream, used continuously for two months. Use the naked eye to observe the improvement of hands to evaluate the moisturizing and repairing effect. The results are shown in Table 2:

Table 2 Moisturizing and repairing effect experimental results

effective (person) slightly effective (person) invalid (person) Total effective rate (%) Example 1 32 5 3 92.45

Example 2 34 4 2 95.0 control group twenty three 10 7 82.5

Example 5:

Investigation on the Comprehensive Effect of the Hand Cream

Next, the efficacy of the hand creams manufactured in Examples 1 and 2 was evaluated by using the trial feeling. Using the public opinion survey scoring method, select 80 women in the age group of 20-50 as trial subjects, divide them into two groups arbitrarily, and rub their hands with the hand cream prepared in Examples 1 and 2 respectively. Use twice a day for two months. The total score of each use effect is 5 points: 5 points are the highest score, which means very good and very satisfied; 4 points are good; 3 points are acceptable; below 3 points are bad and unacceptable. Below are the average scores for each category. The results are shown in Table 3:

Table 3 Comprehensive effect investigation

Effect The average score of each item of embodiment 1 The average score of each item of embodiment 2 Repair 4.8 4.9 Nutritious 4.8 4.8 Whitening 4.5 4.6 moisture retention 4.8 4.7

In summary, the hand cream prepared by the present invention has good effects of repairing, moisturizing, whitening and rejuvenating, moisturizing and replenishing water, and the skin recovers its natural elasticity, fairness and luster after use.

Claims (10)

1. A nourishing and moisturizing type hand cream, characterized in that, its raw material components and content are in parts by weight: 2. the nourishing moisturizing type hand cream according to claim 1, is characterized in that, described bletilla striata extract is prepared by the following method: Weigh an appropriate amount of Bletilla striata, soak for 0.15-1h, heat to 90-100°C, decoct and extract 3 times, add 6-12 times the amount of water for the first time, extract for 0.5-2h, add 4-10 times the amount of water for the second time, Extract for 0.5-1.5h, add 3-8 times the amount of water for the third time, extract for 0.5-1.5h, filter each time, combine the filtrate, concentrate the volume of the filtrate to 3-6 times g/ml of the weight of Bletilla striata, filter, and take Filtrate, that is. 3. The nourishing and moisturizing hand cream according to claim 1, wherein the green tea extract is prepared by the following method: Weigh an appropriate amount of green tea, soak for 0.15-0.8h, heat and decoct at 90-100°C for extraction 3 times, add 6-12 times the amount of water for the first time, extract for 0.5-2h, add 4-10 times the amount of water for the second time, Extract for 0.5-1.5h, add 3-8 times the amount of water for the third time, extract for 0.5-1.5h, filter each time, combine the filtrate, concentrate the volume of the filtrate to 3-6 times the weight of green tea g/ml, filter, and take Filtrate, that is. 4. The nourishing and moisturizing type hand cream according to claim 1, characterized in that, said kiwi fruit extract is prepared by the following method: Weigh fresh kiwi fruit, peel, cut into pieces, weigh a certain amount, put it into a juice extractor, and add 8-12 times g/ml distilled water, and filter the obtained kiwi fruit juice with double-layer gauze for 3-6 times, Filter and take the filtrate, that is, too. 5. The nourishing and moisturizing hand cream according to claim 1, characterized in that, the extract of fireacantha fruit is prepared by the following method: Weigh a certain amount of fresh Pyracantha fruit, put it into a juice extractor, and add 8-12 times g/ml distilled water, filter the Pyracantha fruit juice with double-layer gauze for 3-6 times, filter, and take the filtrate, namely have to. 6. The nourishing and moisturizing type hand cream according to claim 1, wherein the rose soaked oil is prepared by the following method: Weigh an appropriate amount of dried rose, soak in 10-18 times g/ml corn oil, soak for 12-24h, ultrasonically extract at 30-60°C for 5-6h, filter, and take the filtrate to obtain the product. 7. The nourishing and moisturizing hand cream according to claim 1, characterized in that, the soaked snow lotus oil is prepared by the following method: Weigh an appropriate amount of dried snow lotus, soak in 10-18g/ml corn oil, soak for 12-24h, ultrasonically extract at 30-60°C for 5-6h, filter, and take the filtrate to obtain the product. 8. The nourishing and moisturizing hand cream according to claim 1, wherein the forget-me-not soaking oil is prepared by the following method: Weigh an appropriate amount of forget-me-not, soak it in 10-18 times the camellia seed oil, soak it for 12-24 hours, extract it ultrasonically at 30-60°C for 5-6 hours, filter it, and take the filtrate. 9. The essence is one of rose essence, peach essence, pineapple essence, lemon essence, cucumber essence, jasmine essence, osmanthus essence. 10. A preparation method of the nourishing and moisturizing type hand cream according to claim 1, characterized in that, the method comprises the following steps: a) Weigh 0.01-0.5 parts of sodium alginate, dissolve in 1-10 parts of distilled water, heat to 60-80°C, stir while heating, mix evenly, let stand to let it fully swell, and obtain sodium alginate solution; b) Weigh 0.01-0.5 parts of hydroxypropyl methylcellulose, disperse in 5-12 parts of distilled water, stir rapidly until uniform, let stand, and swell naturally for 5-7 hours, and set aside; c) Weigh 0.5-5.0 parts of shea butter, 0.2-5.0 parts of horse oil, 1.0-5.0 parts of wheat germ oil, 1.0-5.0 parts of rose soaking oil, 1.0-5.0 parts of snow lotus soaking oil, and 1.0 parts of forget-me-not soaking oil -5.0 parts, universal self-emulsifying compound emulsifier AC-402 1.0-5.0 parts are placed in a beaker, heated and melted in a water bath at a temperature of 60-90 ° C, as the oil phase; d) Weighing 4.0-50.0 parts of distilled water and 1.0-5.0 parts of 25% triethanolamine solution, heating in a water bath at 60-90°C to obtain an aqueous phase; e) Weigh 1.0-5.0 parts of Liponic EG-1, 1.0-5.0 parts of 1-2 propylene glycol, 2.0-5.0 parts of biopolysaccharide gum, the sodium alginate solution prepared in step a), and the hydroxypropyl methyl alcohol prepared in step b). Base cellulose solution, heating up to 80-90°C, stirring evenly to obtain a thickener; f) After the oil phase is completely melted, pour the water phase into the oil phase, and stir in the same direction while adding, until it becomes a uniform milky white paste, that is, the matrix is obtained, and the matrix is cooled to room temperature; g) Weigh 0.1-2.0 parts of honey, 0.5-5.0 parts of trehalose, 0.01-1.0 parts of nicotinamide, 0.1-1.0 parts of vitamin E, 1.0-5.0 parts of 20% urea solution, 0.1-3.0 parts of Bletilla striata extract, green tea extract 0.1-3.0 parts of liquid, 0.1-3.0 parts of Pyracantha fruit extract, 0.1-3.0 parts of kiwifruit extract, stir and mix evenly, add to the cooled base to obtain cream paste; h) Add the thickener prepared in step e) to the cream paste obtained in step g), stir for 10-15 minutes, mix well, then add 0.1-5.0 parts of 10% citric acid solution, and adjust the pH between 6-7 between; i) Finally, add 0.01-5.0 parts of 1% disodium edetate solution, 0.01-5.0 parts of 5% ethylparaben alcohol solution, wherein the ethanol concentration is 75%, 0.01-0.05 parts of 1% essence, and stir well , that is, a nourishing and moisturizing hand cream containing natural flower and fruit plant extracts.