CN119139164A - Electrolyte-resistant composition and application thereof - Google Patents
Electrolyte-resistant composition and application thereof Download PDFInfo
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- CN119139164A CN119139164A CN202411302278.4A CN202411302278A CN119139164A CN 119139164 A CN119139164 A CN 119139164A CN 202411302278 A CN202411302278 A CN 202411302278A CN 119139164 A CN119139164 A CN 119139164A
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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
- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/81—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- A61K8/8188—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bonds, and at least one being terminated by a bond to sulfur or by a hertocyclic ring containing sulfur; Compositions of derivatives of such polymers
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
- A61K47/30—Macromolecular organic or inorganic compounds, e.g. inorganic polyphosphates
- A61K47/36—Polysaccharides; Derivatives thereof, e.g. gums, starch, alginate, dextrin, hyaluronic acid, chitosan, inulin, agar or pectin
-
- 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
- A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
- A61K8/25—Silicon; Compounds thereof
-
- 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
- A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
- A61K8/26—Aluminium; Compounds thereof
-
- 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
- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/73—Polysaccharides
-
- 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
- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/73—Polysaccharides
- A61K8/731—Cellulose; Quaternized cellulose derivatives
-
- 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
- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/73—Polysaccharides
- A61K8/732—Starch; Amylose; Amylopectin; Derivatives thereof
-
- 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
- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/81—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- A61K8/8141—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
- A61K8/8147—Homopolymers or copolymers of acids; Metal or ammonium salts thereof, e.g. crotonic acid, (meth)acrylic acid; Compositions of derivatives of such polymers
-
- 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
-
- 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
- A61K2800/48—Thickener, Thickening system
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- General Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Epidemiology (AREA)
- Birds (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Medicinal Chemistry (AREA)
- Pharmacology & Pharmacy (AREA)
- Dermatology (AREA)
- Cosmetics (AREA)
Abstract
The application discloses an electrolyte-resistant composition, which comprises silicate and sodium polyacrylate grafted starch. According to the application, the silicate and the sodium polyacrylate grafted starch are combined, so that the problem of poor electrolyte resistance of the sodium polyacrylate grafted starch is solved, the electrolyte resistance of the product is improved, and the product has a fresh skin feel.
Description
Technical Field
The application relates to an electrolyte-resistant composition, in particular to an electrolyte-resistant composition containing silicate and sodium polyacrylate grafted starch and application of the silicate.
Background
The thickener is a water-soluble polymer material, and after being dissolved in water, the solution viscosity of the thickener increases along with the concentration, is an important component for improving the viscosity of the product in the cosmetic formula, and influences the stability of the product and the skin use feeling.
The sodium polyacrylate grafted starch has a thickening effect, and in addition, the fresh skin feel is preferable to be added into cosmetics as a thickening agent. However, when sodium polyacrylate grafted starch is used, the viscosity of the solution is easily lowered by the influence of electrolyte components, resulting in unstable problems, which affect the final use feeling. In order to alleviate the adverse effect of the decrease in viscosity of the system, other high molecular weight thickeners having a certain viscosity are usually added to reduce the decrease in viscosity of the system, however, even if the viscosity can be controlled to a certain level, the skin feel in use is deteriorated.
Therefore, how to improve the tolerance degree of the product containing the sodium polyacrylate grafted starch to the electrolyte and ensure the fresh skin feel is the technical problem to be solved by the invention.
Disclosure of Invention
In order to solve the above problems found by the present application, the inventors of the present application have unexpectedly found that compounding a silicate which does not generate an appreciable viscosity at a low concentration with a sodium polyacrylate grafted starch can improve the electrolyte resistance of the sodium polyacrylate grafted starch and has a fresh and good skin feel, thereby completing the present application.
The specific technical scheme of the application is as follows:
In one aspect, the present application provides an electrolyte resistant composition comprising a silicate and sodium polyacrylate grafted starch as a thickener.
In some embodiments, the silicate is present in an amount of 0.01 to 5%, preferably 0.05 to 2.5% by weight relative to the total mass of the composition. When the content is more than 5%, more preferably more than 2.5%, it is difficult to obtain a refreshing skin feel and it may contribute to the generation of a bad feeling of rubbing upon use, and when the content is less than 0.01%, it is difficult to exert the improvement of electrolyte resistance of sodium polyacrylate grafted starch.
In some embodiments, the silicate may be present in an amount of 0.01％、0.02％、0.03％、0.04％、0.05％、0.06％、0.07％、0.08％、0.09％、0.1％、0.2％、0.3％、0.4％、0.5％、0.6％、0.7％、0.8％、0.9％、1％、1.1％、1.2％、1.3％、1.4％、1.5％、1.6％、1.7％、1.8％、1.9％、2％、2.1％、2.2％、2.3％、2.4％、2.5％、2.6％、2.7％、2.8％、2.9％、3％、3.1％、3.2％、3.3％、3.4％、3.5％、3.6％、3.7％、3.8％、3.9％、4％、4.1％、4.2％、4.3％、4.4％、4.5％、4.6％、4.7％、4.8％、4.9％、5％ or any range therebetween by weight relative to the total mass of the composition.
In some embodiments, the sodium polyacrylate grafted starch is not particularly limited, for example, the sodium polyacrylate grafted starch is present in an amount of 0.01 to 5%, preferably 0.1 to 3% by weight relative to the total mass of the composition.
In some embodiments, the sodium polyacrylate grafted starch is present in an amount of 0.01％、0.02％、0.03％、0.04％、0.05％、0.06％、0.07％、0.08％、0.09％、0.1％、0.2％、0.3％、0.4％、0.5％、0.6％、0.7％、0.8％、0.9％、1％、1.1％、1.2％、1.3％、1.4％、1.5％、1.6％、1.7％、1.8％、1.9％、2％、2.1％、2.2％、2.3％、2.4％、2.5％、2.6％、2.7％、2.8％、2.9％、3％、3.1％、3.2％、3.3％、3.4％、3.5％、3.6％、3.7％、3.8％、3.9％、4％、4.1％、4.2％、4.3％、4.4％、4.5％、4.6％、4.7％、4.8％、4.9％、5％ or any range therebetween, by weight relative to the total mass of the composition.
In some embodiments, the silicate comprises one or more of magnesium silicate, calcium silicate, aluminum silicate, magnesium aluminum silicate, lithium magnesium silicate, and/or lithium magnesium sodium silicate.
Preferably, the silicate comprises one or two of magnesium aluminum silicate and lithium magnesium sodium silicate.
More preferably, the silicate comprises magnesium aluminum silicate.
In some embodiments, the composition further comprises other thickeners, electrolyte-like components, and the like.
In some embodiments, the other thickening agent comprises one or more of acrylamide dimethyl taurate ammonium VP copolymer, hydroxyethyl acrylate sodium acryloyldimethyl taurate copolymer, xanthan gum, hydroxyethyl cellulose, sclerotium gum, cellulose gum, carbomer.
Preferably, the other thickener comprises one or two of acrylamide dimethyl taurate ammonium/VP copolymer, hydroxyethyl acrylate/sodium acryloyldimethyl taurate copolymer.
More preferably, the other thickener comprises an acrylamide dimethyl taurate ammonium/VP copolymer.
In some embodiments, the additional thickener is present in an amount of 0.0001 to 2% by weight relative to the total mass of the composition.
For example, the weight percent of the other thickener may be 0.0001％、0.001％、0.01％、0.1％、0.2％、0.3％、0.4％、0.5％、0.6％、0.7％、0.8％、0.9％、1％、1.1％、1.2％、1.3％、1.4％、1.5％、1.6％、1.7％、1.8％、1.9％、2％ or any range therebetween, relative to the total mass of the composition.
In some embodiments, the electrolyte-based composition includes one or more of an acid, a base, and a salt.
In some embodiments, the acid comprises one or more of hydrochloric acid, phosphoric acid, citric acid, salicylic acid, ascorbic acid, lactic acid, azelaic acid, or derivatives thereof.
In some embodiments, the base includes hydroxide, carbonate, bicarbonate, ceramide MEA, and the like.
In some embodiments, the salt includes an inorganic salt, an organic salt, such as sodium chloride, potassium chloride, magnesium chloride, sodium acetate, or salts of the foregoing acids, bases, and the like, formed in the formulation system.
It is noted that the compositions of the present application may be prepared by a general method to which one or more diluents or carriers may be added, for example, deionized water, distilled water, ion-exchanged water, double distilled water, high purity water, purified water, and any other feasible water that can be used in the cosmetic field.
Further, the composition is optionally used as a topical product, preferably as a cosmetic, pharmaceutical.
In the case of cosmetics, the cosmetic can be various types such as face cleaning products, facial masks, cosmetic water, essence, emulsion, cream, foundation, etc. In the case of pharmaceutical products, various possible external preparations, such as creams, solutions, etc., can be formulated according to the methods of the prior art.
On the other hand, the application also provides application of silicate in improving electrolyte resistance of sodium polyacrylate grafted starch.
In yet another aspect, the present application also provides the use of a silicate to improve the stability of a product comprising sodium polyacrylate grafted starch.
The relevant usage amount in the present application is only an example of technical effects, and in the actual usage process, those skilled in the art can add according to actual requirements, and the present application is not limited in particular.
The beneficial effects of the application include, but are not limited to:
according to the application, silicate and sodium polyacrylate grafted starch are compounded, so that the electrolyte resistance of the sodium polyacrylate grafted starch is improved, and the adverse effect of electrolyte on the stability of a solution system is reduced;
further, silicate and sodium polyacrylate grafted starch are compounded, so that a synergistic thickening effect is obtained;
further, silicate and sodium polyacrylate grafted starch are compounded, so that a fresh and good skin feel is obtained;
Further, other thickening agents with refreshing feel can be added on the basis of compounding silicate and sodium polyacrylate grafted starch;
Further, based on the discovery of the characteristics, the silicate and sodium polyacrylate grafted starch can be combined and applied to external products, such as cosmetics and medicines, so that the products have certain viscosity, and the application range of the silicate and sodium polyacrylate grafted starch is widened.
Detailed Description
The endpoints and any values of the ranges disclosed herein are not limited to the precise range or value, and are understood to encompass values approaching those ranges or values. For numerical ranges, one or more new numerical ranges may be found between the endpoints of each range, between the endpoint of each range and the individual point value, and between the individual point value, in combination with each other, and are to be considered as specifically disclosed herein.
The specific conditions are not noted in the examples and are carried out according to conventional conditions or conditions recommended by the manufacturer. The raw materials or instruments used are conventional products available commercially without identifying the manufacturer.
Example 1 testing thickening Effect of thickening Agents
1. Materials and instruments
The materials and instruments used in the experiments are generally and/or specifically described in the present application, the sources of which are shown in table 1 below. In the examples below,% represents wt%, i.e., weight percent, unless otherwise specified.
TABLE 1
| Materials and instruments | Model/lot number | Manufacturer' s |
| Viscometer (viscosimeter) | DV2TRVTJ0 | AMETEK BROOKFIELD |
| Magnesium aluminum silicate | VEEGUM HS | Vanderbilt Minerals,LLC |
| Sodium magnesium lithium silicate | LAPONITE-XLG XR | BYK-Chemie GmbH |
| Sodium polyacrylate grafted starch | MAKIMOUSSE 25 | DAITO KASEI KOGYO CO.,LTD. |
2. Test procedure
An aqueous solution containing silicate and sodium polyacrylate grafted starch was prepared according to Table 2 to give sample #1, which was subjected to viscosity test, and the results are shown in Table 2.
The sodium polyacrylate grafted starch in sample 8# of table 2 was replaced with acrylamide dimethyl taurate ammonium/VP copolymer to give sample 28#, and the sodium polyacrylate grafted starch in sample 23# of table 2 was replaced with acrylamide dimethyl taurate ammonium/VP copolymer to give sample 29#.
The estimated viscosity is the combined (additive) viscosity of the components in the combination, wherein the viscosity of each component is measured separately and assuming that they function independently, the estimated viscosity of a certain combination can be calculated using the following equation, estimated viscosity = measured viscosity 1+ measured viscosity 2..measured viscosity n (n is the number of actives). When the measured viscosity is larger than the estimated viscosity, the two are indicated to be combined to achieve the synergistic thickening effect. The greater the degree of measured viscosity than the predicted viscosity, the better the synergistic thickening effect achieved by the combination of the two.
TABLE 2
3. Conclusion(s)
As is clear from table 2, when silicate material is used alone, the measured viscosity of the solution is 100cp or less, and the solution exhibits a water-like texture, and therefore, does not have an appreciable viscosity.
From the measured viscosity, silicate can increase the solution viscosity of the grafted starch containing sodium polyacrylate.
From the measured viscosity and the estimated viscosity, the silicate and the sodium polyacrylate grafted starch are combined to produce a synergistic thickening effect when compared with a sample using a single silicate and a single sodium polyacrylate grafted starch, and the viscosity is far greater than the simple addition of the silicate and the sodium polyacrylate grafted starch when the silicate and the sodium polyacrylate grafted starch are used independently.
While silicate does not have the effect of increasing the viscosity of the solution containing acrylamide-dimethyl taurate-ammonium/VP copolymer.
Example 2 testing of thickeners for electrolyte resistance
1. Materials and instruments
As in example 1.
2. Test procedure
Adding 0.5% sodium chloride into sample No. 1-29 of Table 2, mixing to obtain samples 1-29, adding 0.5% acrylamide dimethyl ammonium taurate/VP copolymer into sample No. 13 of Table 2, and adding 0.5% sodium chloride, mixing to obtain sample 30.
0.5% Potassium chloride was added to samples # 2, # 6, # 9, # 13, and # 27 of Table 2, respectively, and mixed well to obtain samples 31-35.
Samples 1-35 were then subjected to viscosity testing and the results are shown in Table 3.
The estimated viscosity is the combined (additive) viscosity of the components in the combination, wherein the viscosity of each component is measured separately and assuming that they function independently, the estimated viscosity of a certain combination can be calculated using the following equation, estimated viscosity = measured viscosity 1+ measured viscosity 2..measured viscosity n (n is the number of actives). When the measured viscosity is larger than the estimated viscosity, the combination of the viscosity and the estimated viscosity still has a synergistic thickening effect in an electrolyte system, and has good electrolyte resistance.
TABLE 3 Table 3
3. Conclusion(s)
As is clear from tables 2 and 3, the silicate substance had a viscosity of 100cp or less in the solution in the presence or absence of the electrolyte, and had no appreciable viscosity.
From the measured viscosities of Table 3, the silicate can improve the effect of the electrolyte on the viscosity of the solution of sodium polyacrylate grafted starch, giving the solution a perceived viscosity change.
From the measured viscosity and the estimated viscosity of Table 3, the use of silicate in combination with sodium polyacrylate grafted starch also provides a synergistic thickening effect, improving the electrolyte resistance of the thickened compositions.
The silicate does not have an effect of improving the viscosity of the electrolyte-containing ammonium acrylamide dimethyltaurate/VP copolymer solution, and the viscosity of the combination of the two is 100cp or less, and does not have a perceived viscosity. However, by combining silicate, sodium polyacrylate grafted starch and acrylamide dimethyl taurate/VP copolymer, the viscosity of the solution can be increased, and the problem that the thickener is not resistant to electrolyte can be solved.
Example 3 skin feel test
1. Experimental method
30 Testers were respectively smeared with samples 13 and 19, and the 5 dimensions were scored according to (1) the sticky feel of the upper hand, (2) the residual feel, (3) the freshness, (4) the absorption rate, and (5) the sticky feel after 2 minutes, and the higher the score, the stronger the perception of the index. The average score is calculated as the final score.
2. Experimental results
TABLE 4 Table 4
The results show that the samples of the present application achieve a refreshing use experience.
The above description is only an example of the present application, and the scope of the present application is not limited to the specific examples, but is defined by the claims of the present application. Various modifications and variations of the present application will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the technical idea and principle of the present application should be included in the protection scope of the present application.
Claims (9)
1. An electrolyte resistant composition comprising silicate and sodium polyacrylate grafted starch.
2. Composition according to claim 1, characterized in that the silicate content is 0.01-5% by weight, preferably 0.05-2.5% by weight, relative to the total mass of the composition.
3. Composition according to claim 1, characterized in that the sodium polyacrylate grafted starch is present in a weight percentage of 0.01-5%, preferably 0.1-3% with respect to the total mass of the composition.
4. The composition of claim 1, wherein the silicate comprises one or more of magnesium silicate, calcium silicate, aluminum silicate, magnesium aluminum silicate, lithium magnesium silicate, and/or lithium sodium magnesium silicate.
5. The composition of claim 1, further comprising other thickeners, electrolytes, and the like.
6. The composition of claim 5, wherein the additional thickener comprises one or more of an acrylamide dimethyl taurate/VP copolymer, a hydroxyethyl acrylate/sodium acryloyldimethyl taurate copolymer, xanthan gum, hydroxyethyl cellulose, sclerotium gum, cellulose gum, carbomer,
Preferably, the other thickener is present in an amount of 0.0001 to 2% by weight relative to the total mass of the composition.
7. Composition according to claim 1, optionally as a topical product, preferably as a cosmetic, pharmaceutical.
8. The silicate is used for improving the electrolyte resistance of sodium polyacrylate grafted starch.
9. Use of silicate to improve the stability of a product comprising sodium polyacrylate grafted starch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411302278.4A CN119139164A (en) | 2024-09-18 | 2024-09-18 | Electrolyte-resistant composition and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411302278.4A CN119139164A (en) | 2024-09-18 | 2024-09-18 | Electrolyte-resistant composition and application thereof |
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| Publication Number | Publication Date |
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| CN119139164A true CN119139164A (en) | 2024-12-17 |
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| CN202411302278.4A Pending CN119139164A (en) | 2024-09-18 | 2024-09-18 | Electrolyte-resistant composition and application thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130243836A1 (en) * | 2012-03-19 | 2013-09-19 | The Procter & Gamble Company | Superabsorbent polymers and sunscreen actives for use in skin care compositions |
| CN105078786A (en) * | 2014-05-16 | 2015-11-25 | 上海家化联合股份有限公司 | Thickener combination and application thereof in cosmetics |
| CN106806159A (en) * | 2016-12-26 | 2017-06-09 | 广州市花安堂生物科技有限公司 | A kind of thickener blend composition and its application |
| CN110662525A (en) * | 2017-03-23 | 2020-01-07 | Isp投资有限公司 | Skin care compositions comprising terpolymers, methods of making and methods of using the same |
| CN114306133A (en) * | 2021-12-29 | 2022-04-12 | 上海运佳黄浦制药有限公司 | Ion-resistant thickening agent and preparation method and application thereof |
-
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- 2024-09-18 CN CN202411302278.4A patent/CN119139164A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130243836A1 (en) * | 2012-03-19 | 2013-09-19 | The Procter & Gamble Company | Superabsorbent polymers and sunscreen actives for use in skin care compositions |
| CN105078786A (en) * | 2014-05-16 | 2015-11-25 | 上海家化联合股份有限公司 | Thickener combination and application thereof in cosmetics |
| CN106806159A (en) * | 2016-12-26 | 2017-06-09 | 广州市花安堂生物科技有限公司 | A kind of thickener blend composition and its application |
| CN110662525A (en) * | 2017-03-23 | 2020-01-07 | Isp投资有限公司 | Skin care compositions comprising terpolymers, methods of making and methods of using the same |
| CN114306133A (en) * | 2021-12-29 | 2022-04-12 | 上海运佳黄浦制药有限公司 | Ion-resistant thickening agent and preparation method and application thereof |
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