KR20120076169A - Cosmetic composition with low melting wax for cold storage - Google Patents

Abstract

The present invention relates to a cosmetic composition for refrigeration distribution, the melting point is 20 to 40 ℃ emulsified formulation composition containing 2 to 10% by weight of a waxy component that gives a thickening and moisturizing, the viscosity difference at 5 ℃ and 25 ℃ Is 10,000 cP (centipoise) or less.
Refrigeration distribution cosmetic composition according to the present invention does not have a large difference in viscosity between the refrigeration conditions and room temperature conditions, crystal precipitation and agglomeration phenomenon does not occur during cold storage is excellent in phase stability, the user at room temperature after cold storage When using a cosmetic composition for refrigeration distribution according to is excellent in feeling such as application properties. Moreover, since it contains the waxy component which gives a predetermined | prescribed thickening and moisturizing, it is excellent in functionality, such as moisture retention and water absorption. In addition, the refrigeration distribution cosmetic composition according to the present invention does not contain a preservative, there is no fear of causing skin irritation to the user.

Description

Cosmetic composition for refrigeration distribution containing a low melting wax phase component

The present invention relates to a cosmetic composition for refrigeration distribution, and more particularly, containing a low melting point wax-like component in a predetermined content, excellent storage stability when refrigerated storage, and excellent cold storage cosmetic composition when using at room temperature It is about.

Cosmetic compositions of emulsified formulations, such as lotions or creams, typically contain about 2-5% by weight of high-melting waxy ingredients (components that impart wax or wax-like functions) having a melting point of about 45 ° C. or more to impart thickening and moisturizing properties. It is included. Such high melting point waxy components include animal-derived waxes such as biswax (melting point is about 62 to 64 ° C.), candelilla wax (melting point about 68 to 73 ° C.), carnauba wax (Carnauba wax, Melting point is about 82 ~ 86 ℃), plant-derived wax such as castor wax (melting point is about 61 ~ 69 ℃), mineral-based wax such as Montan wax (melting point is about 82 ~ 95 ℃), paraffin Petroleum-based waxes such as wax (also called paraffin wax or solid paraffin, melting point is about 47-64 ° C), stearyl alcohol (melting point is about 59 ° C), cetearyl alcohol (melting point is about And C16-22 fatty alcohols or their mixed alcohols, such as 48-56 degreeC). At this time, the cosmetic composition of an emulsion formulation such as a lotion or a cream contains a preservative, and is usually distributed at room temperature, and contains about 2 to 5% by weight of a high melting point wax, but it has excellent storage stability at room temperature, such as feeling of use and moisture The problem does not occur because of excellent functionality.

On the other hand, if you look at the products of the refrigerated distribution is almost used to products that are characterized by freshness due to the corruption of food, ingredients, beverages, etc. quickly due to being unable to eat or use, but recently users have been used in antioxidants, whitening agents, anti-wrinkle agents, skin In order to maintain long-term activity of active ingredients such as firming agents, skin rejuvenating agents, and sunscreens, the tendency to store cosmetics under refrigerated conditions is increasing, and the demand for refrigerated distribution cosmetics is rising according to the change of usage patterns of these consumers. It is becoming.

However, when the cosmetic composition of an emulsion formulation such as a lotion or a cream containing about 2 to 5% by weight of a high melting point wax having a conventional melting point of about 45 ° C. or more is stored under refrigeration conditions of about 0 ° C. to 10 ° C., precipitation of crystals or the like is performed. Agglomeration phenomenon occurs and the storage stability is lowered, and the viscosity or hardness is increased, causing a problem that the usability such as applicability is significantly decreased. In order to solve this problem, when the melting point lowers the content of the high melting point wax of about 45 ° C. or more to about 1% or less, a problem in that the moisturizing power inherent to the wax is hardly exhibited.

The present invention has been derived to solve the conventional problems, the object of the present invention is excellent storage stability in the cold storage conditions, when the user immediately used at room temperature after refrigerated storage, excellent cold storage distribution and functional properties such as moisturizing ability It is to provide a cosmetic composition for.

MEANS TO SOLVE THE PROBLEM In order to solve the said objective of this invention, this invention is an emulsion formulation composition which has a melting point of 20-40 degreeC, and contains 2-10 weight% of waxy components which give a thickening and moisturizing property, The viscosity in 5 degreeC and 25 degreeC It provides a refrigeration distribution cosmetic composition, characterized in that the difference is less than 10,000 cP (centipoise). At this time, the refrigeration distribution cosmetic composition is preferably characterized in that the emulsion formulation composition, such as lotions or creams. In addition, the refrigeration distribution cosmetic composition is characterized in that the preservative-free cosmetic composition preferably does not contain a preservative.

Refrigeration distribution cosmetic composition according to the present invention does not have a large difference in viscosity between the refrigeration conditions and room temperature conditions, crystal precipitation and agglomeration phenomenon does not occur during cold storage is excellent in phase stability, the user at room temperature after cold storage When using a cosmetic composition for refrigeration distribution according to is excellent in feeling such as application properties. Moreover, since it contains the waxy component which gives a predetermined | prescribed thickening and moisturizing, it is excellent in functionality, such as moisture retention and water absorption. In addition, the refrigeration distribution cosmetic composition according to the present invention does not contain a preservative, there is no fear of causing skin irritation to the user.

The present invention relates to a cosmetic composition for refrigeration distribution, the composition for refrigeration distribution according to the present invention has a melting point of 20 ~ 40 ℃ 2 to 10% by weight based on the total composition weight of a low melting wax phase component that gives a thickening and moisturizing And an emulsion formulation composition having a viscosity difference between 5 ° C. and 25 ° C. of less than 10,000 cP (centipoise). The wax component in the present invention is a wax that imparts a predetermined viscosity to the cosmetic composition and forms a film when the cosmetic composition is applied to the skin to prevent dryness of the skin and gives moisture to the skin, thereby maintaining the moisturizing power of the cosmetic composition. And oils and hydrocarbons having similar or similar functions and which can replace waxes. Low melting wax phase components used in the refrigeration cosmetic composition according to the present invention is not limited in kind, specifically, Shea butter (Shea butter, melting point about 29 ~ 34 ℃), Cacao butter (Cacao butter, melting point) Silver about 28 ~ 36 ℃), lanolin (also called Lanolin or wool wax, melting point about 36 ~ 40 ℃), bis-PG-18 methyl ether dimethyl silane (Bis-PEG-18 methyl ether dimethyl silane, silicone wax Melting point is about 29 ~ 35 ℃, and petrolatum (also called vaseline or petroleum jelly, melting point has a range of about 38 ~ 60 ℃ depending on the type of hydrocarbon, petrolatum used in the present invention is about 38 ~ 40 ℃ melting point It may be made of one or more selected from the group consisting of. When the low melting wax phase component in the refrigerated cosmetic composition according to the present invention is less than 2% by weight based on the total weight of the composition, it does not provide a satisfactory level of moisture and absorption to the user when applying the skin, and the low melting wax phase component is entirely Exceeding 10% by weight, based on the weight of the composition, does not provide a satisfactory level of applicability to the user upon application of the skin.

In addition, the cosmetic composition for refrigeration distribution according to the present invention may further include a well-known emulsifier, emulsion stabilizer, perfume material, perfume oil, active ingredient, etc. in addition to the low melting point wax phase component. The emulsifier mainly uses a nonionic surfactant, and specifically, self-emulsifying monoglycerate, propylene glycol fatty acid ester, glycerin fatty acid ester, polyglycerol fatty acid ester, sorbitan fatty acid ester, POE (polyoxyethylene) sorbitan fatty acid ester , POE sorbitan fatty acid ester, POE glycerin fatty acid ester, POE alkyl ether, POE fatty acid ester, POE hardened castor oil, POE castor oil, POE-POP (polyoxyethylene-polyoxypropylene) copolymer, POE-POP alkyl ether, Polyether modified silicone, lauric alkanolamide, alkylamine oxide, hydrogenated soybean phospholipid, etc. are mentioned. Xanthan gum, carboxymethyl cellulose, hydroxyethyl cellulose, polyacrylate, polyacrylamide, etc. are mentioned specifically as an emulsion stabilizer. Specific examples of the perfume substance include ethanol, isopropyl alcohol, glycerol, ethylene glycol, diethylene glycol, propylene glycol, dipropylene glycol, butylene glycol, hexylene glycol, sugar alcohols, and dialcoholamine. Examples of the active ingredient include antioxidants, whitening agents, anti-wrinkle agents, skin regenerating agents, and sunscreens.

In addition, the refrigeration distribution cosmetic composition according to the present invention has an oil-in-water, oil-in-water, and the like emulsion formulations, specifically essences, lotions, creams, etc., preferably lotions, creams, more preferably have a cream formulation. . When the cosmetic composition for refrigeration distribution according to the present invention is a cream formulation, compared to the conventional cosmetic composition for normal temperature distribution, storage stability under refrigeration conditions and immediately after use at room temperature after refrigeration are significantly different in application of retaining ability and moisturizing power.

In addition, the refrigeration distribution cosmetic composition according to the invention is preferably characterized in that the viscosity at 5 ℃ is 10,000 ~ 60,000 cP (centipoise). When the viscosity range of the above is used immediately at room temperature after refrigerated storage is excellent in applicability.

In addition, the refrigeration distribution cosmetic composition according to the present invention may contain a trace level that does not contain a preservative or irritating the skin, preferably characterized in that it does not contain a preservative. Preservatives in the present invention, as well as synthetic preservatives such as parabens ((methyl parabens, ethyl parabens, propyl parabens, butyl parabens, etc.), imidazolidinyl urea, diazolidinyl urea, phenoxyethanol, benzoic acid, as well as sorbic acid and its It is a concept including all salts, antimicrobial or antiseptic polyols, natural plant extracts, natural animal extracts, bacteriocins produced by microorganisms such as lactic acid bacteria, etc. The preservative-free cosmetic composition for cold preservation is according to the present invention in refrigerated conditions Because of the distribution, there is little degeneration of active ingredients such as antioxidants, whitening agents, anti-wrinkle agents, skin regenerating agents, and sunscreens, and no preservatives are contained, so concerns such as skin irritation are blocked in advance.

Refrigeration distribution cosmetic composition according to the present invention is excellent in storage stability in the refrigeration conditions, the viscosity difference between the refrigeration conditions and room temperature conditions is not large, the consumer stores at 0 ~ 10 ℃ refrigeration conditions, take out if necessary to room temperature conditions Ready to use at 15 ~ 35 ℃.

Hereinafter, the present invention will be described in more detail with reference to the following examples. However, the following examples are only to illustrate the content of the present invention and do not limit the protection scope of the present invention.

One. Cosmetics  Preparation of the composition

Example 1.

After dispersing raw materials 7, 8, and 9 in raw material 6 of Table 1, raw materials 10 to 12 were added, heated and dissolved at 70 to 75 ° C. to prepare an aqueous phase. The raw materials 1 to 5 were warmed to 70 to 75 ° C. and slowly emulsified in a water mixer with a homomixer for 10 minutes. Thereafter, the raw material 13 was neutralized, degassed, and the fragrance of the raw material 14 was added during cooling, and then completely cooled to room temperature to complete the cosmetic composition.

Raw material number Raw material name Raw material content (% by weight) One Shea Butter 2.0 2 Polyoxyethylene (20) sorbitan monostearate 2.0 3 Hydrogenated Polydecene 4.0 4 Triethylhexanoin 4.0 5 Cyclopentasiloxane 2.0 6 Purified water Balance 7 Carbomer 0.08 8 Xanthan gum 0.05 9 Sodium Polyacrylate 0.1 10 glycerin 4.0 11 Dipropylene glycol 4.0 12 Betaine 2.0 13 corrector Quantity 14 incense Quantity

Example 2.

A cosmetic composition was prepared in the same manner as in Example 1, except that the content of Raw Material 1 was 5.0%.

Example 3.

A cosmetic composition was prepared in the same manner as in Example 1, except that the content of Raw Material 1 was 10.0%.

Example 4.

A cosmetic composition was prepared in the same manner as in Example 1, except that Raw Material 1 was replaced with lanolin instead of Shea butter.

Example 5.

A cosmetic composition was prepared in the same manner as in Example 1, except that Raw Material 1 was replaced with Bis-PG-18 methyl ether dimethyl silane.

Comparative Example 1

A cosmetic composition was prepared in the same manner as in Example 1, except that the content of Raw Material 1 was 0.0%.

Comparative Example 2

A cosmetic composition was prepared in the same manner as in Example 1, except that the content of Raw Material 1 was 1.0%.

Comparative Example 3

A cosmetic composition was prepared in the same manner as in Example 1, except that the content of Raw Material 1 was 15.0%.

Comparative Example 4

A cosmetic composition was prepared in the same manner as in Example 1, except that Raw Material 1 was replaced with Paraffin Wax.

Comparative Example 5

A cosmetic composition was prepared in the same manner as in Example 1, except that Raw Material 1 was replaced with Paraffin Wax and the content thereof was 0.5%.

Comparative Example 6.

A cosmetic composition was prepared in the same manner as in Example 1, except that Raw Material 1 was replaced with cetearyl alcohol.

2. Cosmetics  Storage stability of the composition, skin Moisturizing , Feeling  evaluation

(1) Storage stability evaluation of cosmetic composition

In order to evaluate the storage stability of the cosmetic compositions of Examples 1 to 5 and Comparative Examples 1 to 6, the cosmetic composition was stored at 25 ° C. and 5 ° C. for 1 day, and then the viscosity was measured, and the cosmetic composition was measured at 5 ° C. for 1 day and 7 days. Precipitation was observed visually after storage for one day, and the results are shown in Table 2.

division Viscosity (centipoise, cP) Precipitation phenomenon 25 ℃ storage 5 ℃ 1 day storage 7 days storage Example 1 10,500 12,300 × × Example 2 14,000 18,000 × × Example 3 47,000 5,5000 × × Example 4 15,800 21,100 × × Example 5 14,700 18,200 × × Comparative Example 1 8,200 9,500 × × Comparative Example 2 8,800 9,900 × × Comparative Example 3 60,000 75,000 × △ Comparative Example 4 25,000 148,200 △ ○ Comparative Example 5 85,00 21,800 × △ Comparative Example 6 21,000 136,100 △ ○

※ The evaluation criteria of precipitation phenomenon in Table 2 are as follows.

×: not precipitated, △: small lump occurrence, ○: hard granules

As shown in Table 2, in the case of a cosmetic composition using a low melting waxy phase component having a melting point of 40 ° C. or lower, the viscosity difference between the storage temperature of 25 ° C. and the cold storage condition of 5 ° C. is not large and is determined even after long-term storage. Phenomenon such as precipitation did not appear. On the other hand, in the case of a cosmetic composition using a high melting point waxy component having a melting point of 45 ° C. or higher, the viscosity increased rapidly when changing from a normal temperature condition to a refrigerated condition. It can be seen that the storage stability is very poor.

(2) skin moisture evaluation

In order to evaluate the skin moisturizing power of the cosmetic compositions of Examples 1 to 5 and Comparative Examples 1 to 6, the moisture retention ability through electrical conductivity after skin application was measured. 20 subjects were coated with 0.03g of cosmetic composition per 16cm2 of skin in a constant temperature and humidity room maintaining a relative humidity of 22 ° C and 50%, and the electrical conductivity of the skin surface was measured at each time period (measurement device model name: SKICON -200; IBS, Japan) averaged after two repeated experiments, the results are shown in Table 3.

division Electrical Conductivity (μ / Ω) 30 minutes after application 120 minutes after application Example 1 173 152 Example 2 179 160 Example 3 183 178 Example 4 178 159 Example 5 180 163 Comparative Example 1 100 70 Comparative Example 2 118 90 Comparative Example 3 183 178 Comparative Example 4 181 167 Comparative Example 5 105 76 Comparative Example 6 180 164

As shown in Table 3, the skin moisturizing power of the cosmetic composition was proportional to the content of the waxy component. Particularly, in the case of the low melting waxy component having a melting point of 40 ° C. or less, when the content was 1% by weight and 2% by weight, Skin moisturizing power showed a significant difference. In addition, in the case of a low melting wax phase component having a melting point of 45 ° C. or more, the skin moisturizing power of the cosmetic composition was significantly decreased when the content was 0.5% by weight.

(3) Usability Evaluation

Divided into 11 groups for 110 women aged 25-45 years, the cosmetic compositions of Examples 1 to 5 and Comparative Examples 1 to 6 were stored at 5 ° C. for 7 days, and then removed to be used on both sides of the subject's face. The sensory evaluation was performed on four evaluation items (appliability, absorption, moisturizing, and total feeling of use) on the following 5-point scale, and the results are shown in Table 4.

※ The five-point scale is as follows.

1 point: very bad; 2 points | pieces: slightly bad; 3 points: normal; 4 points: slightly superior; 5 points: very good

division Brittle absorptivity Moisturizing Overall feeling Example 1 4.7 4.2 4.1 4.4 Example 2 4.5 4.8 4.1 4.6 Example 3 4.1 4.4 4.5 4.3 Example 4 4.3 4.6 4.6 4.5 Example 5 4.6 4.6 4.1 4.6 Comparative Example 1 4.7 1.3 1.1 1.9 Comparative Example 2 4.7 1.5 1.5 2.2 Comparative Example 3 2.2 3.9 3.7 3.2 Comparative Example 4 1.0 2.1 3.6 1.4 Comparative Example 5 4.3 1.5 1.3 1.7 Comparative Example 6 1.1 2.2 3.5 1.5

As shown in Table 4, the cosmetic composition of Examples 1 to 5 according to the present invention exceeds 4 points in all evaluation items, and it can be seen that the user's actual feeling is very excellent. On the other hand, as shown in the results of Comparative Example 3, Comparative Example 4, Comparative Example 6, when the application of the cosmetic composition is very poor, even when the skin moisturizing power through the electrical conductivity was excellent, the user's moisturizing power was low.

Although the present invention has been described through the above embodiments as described above, the present invention is not necessarily limited thereto, and various modifications can be made without departing from the scope and spirit of the present invention. In addition, many modifications may be made to adapt a particular situation and material to the teachings of the invention without departing from the essential scope thereof. Therefore, the protection scope of the present invention should not be construed as limited to the specific embodiments disclosed as the best mode contemplated for carrying out the invention, but including all embodiments falling within the scope of the claims appended hereto.

Claims (6)

An emulsified formulation composition having a melting point of 20 to 40 ° C. and a waxy component that gives thickening and moisturizing to 2 to 10 wt%, wherein the difference in viscosity at 5 ° C. and 25 ° C. is 10,000 cP or less (centipoise) or less. Cosmetic composition for distribution.
The method of claim 1, wherein the wax component is Shea butter, Cacao butter, Lanolin, Bis-PG-18 methyl ether dimethyl silane ), And petrolatum (vaseline) cosmetic composition for refrigeration distribution, characterized in that consisting of one or more selected from the group consisting of.
According to claim 1, wherein the emulsion formulation is a refrigerated cosmetic composition, characterized in that the lotion or cream.
According to claim 1, wherein the emulsion formulation is a refrigerated cosmetic composition, characterized in that the viscosity at 5 ℃ 10,000 ~ 60,000 cP (centipoise).
According to claim 1, wherein the emulsion formulation is a refrigerated cosmetic composition, characterized in that it does not contain a preservative.
According to claim 1, wherein the emulsion formulation composition is stored in the refrigeration conditions 0 ~ 10 ℃, refrigeration distribution cosmetic composition, characterized in that used at room temperature conditions 15 ~ 35 ℃.