CN110742845A - Wet tissue and preparation method thereof - Google Patents
Wet tissue and preparation method thereof Download PDFInfo
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- CN110742845A CN110742845A CN201911169223.XA CN201911169223A CN110742845A CN 110742845 A CN110742845 A CN 110742845A CN 201911169223 A CN201911169223 A CN 201911169223A CN 110742845 A CN110742845 A CN 110742845A
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- wet tissue
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/96—Cosmetics or similar toiletry preparations characterised by the composition containing materials, or derivatives thereof of undetermined constitution
- A61K8/97—Cosmetics or similar toiletry preparations characterised by the composition containing materials, or derivatives thereof of undetermined constitution from algae, fungi, lichens or plants; from derivatives thereof
- A61K8/9783—Angiosperms [Magnoliophyta]
- A61K8/9789—Magnoliopsida [dicotyledons]
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
- A61K8/0208—Tissues; Wipes; Patches
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/40—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing nitrogen
- A61K8/41—Amines
- A61K8/416—Quaternary ammonium compounds
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/96—Cosmetics or similar toiletry preparations characterised by the composition containing materials, or derivatives thereof of undetermined constitution
- A61K8/97—Cosmetics or similar toiletry preparations characterised by the composition containing materials, or derivatives thereof of undetermined constitution from algae, fungi, lichens or plants; from derivatives thereof
- A61K8/9783—Angiosperms [Magnoliophyta]
- A61K8/9794—Liliopsida [monocotyledons]
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q17/00—Barrier preparations; Preparations brought into direct contact with the skin for affording protection against external influences, e.g. sunlight, X-rays or other harmful rays, corrosive materials, bacteria or insect stings
- A61Q17/005—Antimicrobial preparations
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q19/00—Preparations for care of the skin
- A61Q19/10—Washing or bathing preparations
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
- A61K2800/40—Chemical, physico-chemical or functional or structural properties of particular ingredients
- A61K2800/59—Mixtures
- A61K2800/592—Mixtures of compounds complementing their respective functions
- A61K2800/5922—At least two compounds being classified in the same subclass of A61K8/18
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Epidemiology (AREA)
- Birds (AREA)
- Engineering & Computer Science (AREA)
- Mycology (AREA)
- Microbiology (AREA)
- Botany (AREA)
- Biotechnology (AREA)
- Dermatology (AREA)
- Biomedical Technology (AREA)
- Cosmetics (AREA)
- Medicines Containing Plant Substances (AREA)
Abstract
The invention discloses a wet tissue and a preparation method thereof, and belongs to the technical field of daily necessities. The wet tissue comprises a carrier and a wet tissue solution, wherein the wet tissue solution mainly comprises the following raw materials: witch hazel extract, aloe extract, sodium benzoate, cetylpyridinium chloride, benzalkonium chloride, glycerol and deionized water. The preparation method comprises the steps of mixing cetylpyridinium chloride and sodium benzoate with deionized water respectively, stirring, adding witch hazel extract, aloe extract, benzalkonium chloride, glycerol and deionized water to obtain a mixed solution, finally soaking a carrier in the obtained solution, and folding and packaging to obtain the wet tissue. The wet tissue obtained by the preparation method has the effects of sterilization, disinfection and corrosion prevention, is suitable for wiping and disinfection of indoor articles, is more suitable for outdoor carrying, is convenient to use, is safe, mild and free of irritation.
Description
Technical Field
The invention belongs to the technical field of daily necessities, and particularly relates to a wet tissue and a preparation method thereof.
Background
At present, wet tissues become necessities of daily life of people, people often use the wet tissues to wipe body parts such as hands, faces and the like, indoor furniture, kitchen stains and the like, and the method is simple, quick and convenient to clean and is popular with people. The wet tissues on the market are various in types and can be roughly divided into two categories: one type is a wet tissue which cannot be sterilized (the wet tissue is sterilized), and the components of the wet tissue only contain moisture-retaining components and only play a role in retaining moisture and moistening skin; the other type is that the wet tissue can also disinfect other articles (the wet tissue is disinfected), and the wet tissue contains a bactericidal component and can play a role in disinfecting, sterilizing and inhibiting bacteria on a wiped object.
The disinfection wet tissue has the disinfection effect because the disinfection wet tissue is added with the chemical components capable of disinfecting, such as iodophor, peracetic acid or bleaching powder and the like, has irritation to the skin although the disinfection effect can be achieved, such as allergic skin or infant skin can not be used, if the use of similar chemical components is reduced, the disinfection effect can be weakened, and the residue of the chemical components can cause pollution to the environment, so that the research on the wet tissue capable of disinfecting, and having no stimulation and toxic or side effect is needed.
CN105342864A discloses a wet wipe containing a pharmaceutical grade witch hazel extract. The wet tissue mainly comprises a base material and liquid medicine immersed in the base material, wherein the liquid medicine comprises witch hazel extract, plant essence, preservative, additive, stabilizer, pH regulator and pure water, and the pH range of the liquid medicine is 4.5-6.5. The results of sterilization tests and effects tests on staphylococcus aureus, escherichia coli and candida albicans respectively show that the sterilization rate is 99.99% after 20 minutes, and the wet tissue uses the compounding agent disodium ethylene diamine tetraacetate, which is toxic and irritant to skin, so that daily life use is not recommended.
CN106265295A discloses a wet tissue for relieving hemorrhoid symptoms and a preparation method thereof. The wet tissue consists of conditioning liquid and non-woven fabric soaked with the conditioning liquid, wherein the conditioning liquid mainly comprises witch hazel extract, glucose chlorhexidine, borneol, dealdehydized alcohol, propylene glycol, preservative, pH regulator and deionized water. The preparation method comprises the steps of mixing witch hazel extract, glucose chlorhexidine and preservative with deionized water, then adding propylene glycol, dealdehydized alcohol and borneol, mixing and stirring, adjusting the pH value to obtain the conditioning solution, finally immersing the non-woven fabric into the conditioning solution, and folding after the non-woven fabric is adsorbed to saturation to obtain the wet tissue for relieving the haemorrhoids. The test of 100 haemorrhoid volunteers for 3 months shows that the effective rate is more than 80% after the wet tissue is used, but the wet tissue is only used for haemorrhoid patients, is not easy to use in daily life and has short storage period.
CN109172408A discloses a pure water wet tissue. The wet tissue consists of a carrier and a solution, wherein the carrier is one of non-woven fabric, wood pulp composite fabric or wood pulp paper, the solution is three or more of benzalkonium chloride, chlorhexidine gluconate, polyamino propyl biguanide, cetylpyridinium chloride and dodecyl pyridinium chloride, and the rest is water. The appearance, smell, pH value and microorganism condition of the wet tissue are tested at the temperature of 5oC, 25oC, 37oC and 45oC respectively, the test results all meet the standard requirements, toxicological tests such as skin irritation and the like are carried out on the wet tissue, and the test results are also compounded with the safe use standard. The wet tissue is only a wet tissue containing water, the shelf life of the wet tissue can be prolonged by using a preservative, but the wet tissue has no sterilization and disinfection effects.
In order to research wet tissues which are sterile, non-irritant, free of toxic and side effects and free of pollution to the environment, researchers have conducted a lot of research, but most of the existing sterile wet tissues use slightly toxic chemical raw materials to achieve the effects of rapid sterilization, disinfection and corrosion prevention. Therefore, the demand for a sterilizing and disinfecting wet tissue which is simple in production method, non-toxic, pollution-free and non-irritating to skin is needed.
Disclosure of Invention
Aiming at the problems that the existing wet tissue stock solution uses slightly toxic chemical raw materials to achieve the effects of sterilization and disinfection, and the wet tissue can cause harm to the body and environmental pollution after being used for a long time, the invention provides the wet tissue and the preparation method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
the wet tissue comprises a carrier and a wet tissue solution, wherein the wet tissue solution comprises the following raw materials: witch hazel extract, aloe extract, sodium benzoate, cetylpyridinium chloride, benzalkonium chloride, glycerol and deionized water;
further, the wet tissue solution comprises the following raw materials in percentage by weight: 0.4-2% of witch hazel extract, 0.5-2% of aloe extract, 0.4-0.6% of sodium benzoate, 0.04-0.08% of cetylpyridinium chloride, 0.08-0.2% of benzalkonium chloride, 0.3-1% of glycerol and the balance of deionized water.
Further, the weight ratio of the witch hazel extract to sodium benzoate is 1-5: 1.
further, the weight ratio of the witch hazel extract to cetylpyridinium chloride to benzalkonium chloride is 5-23: 0.2-1: 1.
still more preferably, the wet tissue solution comprises the following raw materials in percentage by weight: 1.8% of witch hazel extract, 0.6% of aloe extract, 0.5% of sodium benzoate, 0.05% of cetylpyridinium chloride, 0.08% of benzalkonium chloride, 0.8% of glycerol and the balance of deionized water.
Further, the carrier is non-woven fabric.
The invention also provides a preparation method of the wet tissue, which comprises the following steps:
(1) mixing cetylpyridinium chloride and deionized water, and stirring to obtain a mixed solution 1;
(2) mixing and stirring sodium benzoate and deionized water to obtain a mixed solution 2;
(3) mixing and stirring the mixed solution 1 obtained in the step (1) and the mixed solution 2 obtained in the step (2) to obtain a mixed solution 3;
(4) adding witch hazel extract, aloe extract, benzalkonium chloride, glycerol and deionized water into the mixed solution 3 obtained in the step (3), and stirring at room temperature to obtain a mixed solution 4;
(5) and (4) soaking the carrier in the mixed solution 4 obtained in the step (4), and folding and packaging to obtain the wet tissue after the carrier is saturated in adsorption.
Further, the deionized water accounts for 30-60% of the total water in the step (1), the stirring temperature is 35-45 ℃, and the stirring time is 15-25 minutes.
Further, the deionized water accounts for 40-60% of the total water in the step (2), the stirring temperature is 35-45 ℃, and the stirring time is 15-25 minutes.
Further, the stirring temperature in the step (3) is 35-45 ℃ and the stirring time is 10-15 minutes.
Further, the deionized water accounts for 50-80% of the total water in the step (4) by weight, and the stirring time is 25-35 minutes.
Further, the soaking time in the step (5) is 5-10 minutes.
Compared with the prior art, the invention has the beneficial effects that:
(1) the food-grade preservative sodium benzoate, the plant extract Hamamelis mollis extract and the aloe extract are synergistic in corrosion prevention and bacteriostasis, and have good effects of safety, mildness and no stimulation.
(2) The used antiseptic has lower collocation cost and higher cost performance.
(3) The wet tissue prepared by the application completely meets the requirements of safety standards for use by people, and has excellent bacteriostatic effect.
(4) The food grade preservative sodium benzoate is selected to be compounded with cationic bactericides cetylpyridinium chloride and benzalkonium chloride, and simultaneously, witch hazel extract, aloe extract and the like with bactericidal action are matched to solve the problems of corrosion prevention, bacteriostasis and the like.
(5) The humectant glycerin is added, so that the product effect, safety, effectiveness, economy and the like are organically combined, the product requirements are met, and various standard requirements are also met.
Detailed Description
For a better understanding of the present invention, the present invention is further described in conjunction with the following specific examples, wherein the terminology used in the examples is for the purpose of describing particular embodiments only and is not intended to limit the scope of the present invention.
The raw material sources are as follows:
the witch hazel extract is purchased from Shanghai Fudao company;
the aloe extract is purchased from Shanghai Fudao company;
the other raw materials are common commercial products, so that the source of the raw materials is not particularly limited.
Examples 1 to 5
Different values of the parameters in the embodiments 1 to 5 constitute different specific embodiments, for example: parameters A, B, C, D, E, F, H, etc., as shown in Table 1.
The wet tissue comprises non-woven fabrics and a wet tissue solution, wherein the wet tissue solution comprises the following raw materials in percentage by weight: witch hazel extract A, aloe extract B, sodium benzoate C, cetylpyridinium chloride D, benzalkonium chloride E, glycerol F and the balance of deionized water.
The preparation method of the wet tissue comprises the following steps:
(1) the cetylpyridinium chloride with the content of D and the cetylpyridinium chloride with the content of H1The deionized water is mixed and stirred for a stirring time I1At a temperature of J1Obtaining a mixed solution 1;
(2) sodium benzoate with content of C and sodium benzoate with content of H2The deionized water is mixed and stirred for a stirring time I2At a temperature of J2Obtaining a mixed solution 2;
(3) mixing and stirring the mixed solution 1 obtained in the step (1) and the mixed solution 2 obtained in the step (2) for a stirring time I3At a temperature of J3Obtaining a mixed solution 3;
(4) mixing Hamamelis mollis extractive solution A, Aloe extractive solution B, benzalkonium chloride E, glycerol F and H3Adding the deionized water into the mixed solution 3 obtained in the step (3), and stirring at room temperature for I4Obtaining a mixed solution 4;
(5) soaking the non-woven fabrics in the mixed solution 4 obtained in the step (4) for a time I5And folding and packaging after the wet tissue is saturated in adsorption to obtain the wet tissue.
Comparative examples 1 to 3
The respective comparative examples 1-3 set up parameters as shown in table 1.
Other sources of raw materials and preparation method are the same as example 3.
Comparative example 4
The wet tissue comprises a carrier and a wet tissue solution, wherein the wet tissue solution comprises the following raw materials: witch hazel extract, aloe extract, sodium benzoate, cetylpyridinium chloride, benzalkonium chloride, glycerol and deionized water;
wherein the weight ratio of the witch hazel extract to the sodium benzoate is 6: 1 (the total weight of witch hazel extract and sodium benzoate was the same as in example 3).
Other sources and contents of raw materials and preparation method are the same as those of example 3.
Comparative example 5
The wet tissue comprises a carrier and a wet tissue solution, wherein the wet tissue solution comprises the following raw materials: witch hazel extract, aloe extract, sodium benzoate, cetylpyridinium chloride, benzalkonium chloride, glycerol and deionized water;
wherein the weight ratio of the witch hazel extract to the cetylpyridinium chloride to the benzalkonium chloride is 24: 0.1: 1 (the total weight of witch hazel extract, cetylpyridinium chloride and benzalkonium chloride was the same as in example 3).
Other sources and contents of raw materials and preparation method are the same as those of example 3.
Comparative example 6
The difference from the embodiment 3 of the application is that in the preparation method of the wet tissue, the stirring temperature in the steps (1) - (3) is 30 ℃;
other sources and contents of raw materials and preparation method are the same as those of example 3.
Comparative example 7
The difference from the embodiment 3 of the application is that in the preparation method of the wet tissue, the stirring temperature in the steps (1) - (3) is 50 ℃;
other sources and contents of raw materials and preparation method are the same as those of example 3.
Comparative example 8
Example 3 in patent CN 106265295A.
Comparative example 9
Example 1 in patent CN 105342864A.
Table 1 different values of the parameters in the examples
Test experiments:
1. the above examples and comparative examples were subjected to the odor evaluation test, the preservation effect test and the skin irritation test, respectively, and the test results are shown in table 2.
The test method comprises the following steps: the wet wipes prepared in the different examples and comparative examples were subjected to an accelerated stability test at 37 c for 3 months, respectively, and if the test passed, it was ensured that the wet wipes were preserved for two years under normal storage conditions.
Table 2:
| evaluation of odor | Anti-corrosion effect | Skin irritation condition | |
| Example 1 | Is free of | By passing | Is free of |
| Example 2 | Is free of | By passing | Is free of |
| Example 3 | Is free of | By passing | Is free of |
| Example 4 | Is free of | By passing | Is free of |
| Example 5 | Is free of | By passing | Is free of |
| Comparative example 1 | Is free of | Do not pass through | Is free of |
| Comparative example 2 | Weak pungent smell | By passing | Is extremely light |
| Comparative example 3 | Is free of | Do not pass through | Is free of |
| Comparative example 4 | Is free of | Do not pass through | Is free of |
| Comparative example 5 | Is free of | Do not pass through | Is extremely light |
| Comparative example 6 | Weak pungent smell | Do not pass through | Is extremely light |
| Comparative example 7 | Is free of | Do not pass through | Is extremely light |
| Comparative example 8 | Weak pungent smell | By passing | Is extremely light |
| Comparative example 9 | Weak pungent smell | By passing | Is extremely light |
The experiments show that the wet tissue tested in the examples has no peculiar smell, has a good antiseptic effect, is mild and has no stimulation to the skin, at least one factor of the settings of the comparative examples 2-7 is out of the range claimed by the invention, and the detection result can not reach the standard requirement, and in addition, the comparative example 8 and the comparative example 9 are the target products prepared in the prior art, and can show that the wet tissue has weak pungent smell and extremely light irritation to the skin, so the wet tissue has a good antiseptic effect, and has no peculiar smell, is mild and has no stimulation.
2. The examples and comparative examples were respectively tested for the bactericidal activity of staphylococcus aureus (ATCC6538), escherichia coli (ATC25922) and candida albicans (ATC10231), and the results are shown in table 3, as determined by the third party authority.
Table 3:
the experiments show that the sterilization rate of the wet tissue tested in the embodiment on staphylococcus aureus, escherichia coli and candida albicans reaches 99.99% in 30 minutes, at least one factor of the settings of the comparative examples 2-7 is out of the range claimed by the invention, the detection values are lower than those of the embodiment, the meaning claimed by the invention is highlighted, in addition, the sterilization effect of the comparative example 8 is poorer than that of the embodiment, the sterilization effect of the comparative example 9 is better, but the wet tissue has irritation on skin, and therefore, the wet tissue has better sterilization and disinfection effects.
Claims (10)
1. A wet wipe, characterized in that:
the wet tissue comprises a carrier and a wet tissue solution, wherein the wet tissue solution comprises the following raw materials: witch hazel extract, aloe extract, sodium benzoate, cetylpyridinium chloride, benzalkonium chloride, glycerol and deionized water.
2. A wet wipe as set forth in claim 1 wherein:
the wet tissue solution comprises the following raw materials in percentage by weight: 0.4-2% of witch hazel extract, 0.5-2% of aloe extract, 0.4-0.6% of sodium benzoate, 0.04-0.08% of cetylpyridinium chloride, 0.08-0.2% of benzalkonium chloride, 0.3-1% of glycerol and the balance of deionized water.
3. A wet wipe as set forth in claim 2 wherein: the weight ratio of the witch hazel extract to sodium benzoate is 1-5: 1.
4. a wet wipe as set forth in claim 2 wherein: the weight ratio of the witch hazel extract to the cetylpyridinium chloride to the benzalkonium chloride is 5-23: 0.2-1: 1.
5. a process for the production of wet wipes as claimed in any one of claims 1 to 4, comprising the steps of:
(1) mixing cetylpyridinium chloride and deionized water, and stirring to obtain a mixed solution 1;
(2) mixing and stirring sodium benzoate and deionized water to obtain a mixed solution 2;
(3) mixing and stirring the mixed solution 1 obtained in the step (1) and the mixed solution 2 obtained in the step (2) to obtain a mixed solution 3;
(4) adding witch hazel extract, aloe extract, benzalkonium chloride, glycerol and deionized water into the mixed solution 3 obtained in the step (3), and stirring at room temperature to obtain a mixed solution 4;
(5) and (4) soaking the carrier in the mixed solution 4 obtained in the step (4), and folding and packaging to obtain the wet tissue after the carrier is saturated in adsorption.
6. The method of claim 5, wherein: the stirring temperature in the step (1) is 35-45 ℃, and the stirring time is 15-25 minutes.
7. The method of claim 5, wherein: the stirring temperature in the step (2) is 35-45 ℃, and the stirring time is 15-25 minutes.
8. The method of claim 5, wherein: the stirring temperature in the step (3) is 35-45 ℃, and the stirring time is 10-15 minutes.
9. The method of claim 5, wherein: the stirring time in the step (4) is 25-35 minutes.
10. The method of claim 5, wherein: the soaking time in the step (5) is 5-10 minutes.
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| CN201911169223.XA CN110742845B (en) | 2019-11-26 | 2019-11-26 | Wet tissue and preparation method thereof |
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| CN201911169223.XA CN110742845B (en) | 2019-11-26 | 2019-11-26 | Wet tissue and preparation method thereof |
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| CN110742845B CN110742845B (en) | 2021-01-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114306184A (en) * | 2021-12-30 | 2022-04-12 | 华药生物科技(浙江)有限公司 | Preparation method of baby wet tissue with sterilizing and moisturizing core |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104994878A (en) * | 2012-12-13 | 2015-10-21 | 纽约市哥伦比亚大学理事会 | Botanical antimicrobial compositions |
| CN105362141A (en) * | 2015-11-26 | 2016-03-02 | 上海银京医用卫生材料有限公司 | Antibacterial hand wiping wet tissue |
| CN107374996A (en) * | 2017-06-20 | 2017-11-24 | 铜陵麟安生物科技有限公司 | Hand-mouth baby wet tissue and its preparation method for being formulated liquid |
-
2019
- 2019-11-26 CN CN201911169223.XA patent/CN110742845B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104994878A (en) * | 2012-12-13 | 2015-10-21 | 纽约市哥伦比亚大学理事会 | Botanical antimicrobial compositions |
| CN105362141A (en) * | 2015-11-26 | 2016-03-02 | 上海银京医用卫生材料有限公司 | Antibacterial hand wiping wet tissue |
| CN107374996A (en) * | 2017-06-20 | 2017-11-24 | 铜陵麟安生物科技有限公司 | Hand-mouth baby wet tissue and its preparation method for being formulated liquid |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114306184A (en) * | 2021-12-30 | 2022-04-12 | 华药生物科技(浙江)有限公司 | Preparation method of baby wet tissue with sterilizing and moisturizing core |
| CN114306184B (en) * | 2021-12-30 | 2023-07-25 | 华药生物科技(浙江)有限公司 | Preparation method of infant wet tissue with sterilization and moisturizing cores |
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