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High-efficiency moisturizing composition and preparation method and application thereof in cosmetics

A composition and cosmetic technology, applied in the field of daily chemicals, can solve problems such as the insignificant moisturizing effect of glycolic acid, and achieve the effect of improving moisturizing effect

Active Publication Date: 2011-04-20
广州增城潮徽生物技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the moisturizing effect of glycolic acid is not obvious

Method used

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  • High-efficiency moisturizing composition and preparation method and application thereof in cosmetics
  • High-efficiency moisturizing composition and preparation method and application thereof in cosmetics

Examples

Experimental program
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Effect test

example 1

[0053] (1) Preparation of chitosan glycolate: the molecular weight is 3.24 × 10 4g / mol, 100 g of chitosan with a deacetylation degree of 96% is added to 200 g of isopropanol to swell for 2 h; then add 25 g of glycolic acid (molecular weight 76.05 g / mol), stir for 2 h, and adjust the pH value of the solution with ammonia solution 7. Suction filtration and freeze-drying to obtain chitosan glycolate.

[0054] (2) Preparation of high-efficiency moisturizing composition: 5 g of chitosan glycolate prepared above and 25 g of trimethylglycine were dissolved in 70 g of pure water, and stirred evenly to obtain a high-efficiency moisturizing composition in the form of water solvent.

example 2

[0056] (1) Preparation of chitosan glycolate: the molecular weight is 3.24 × 10 4 g / mol, 100 g of chitosan with a degree of deacetylation of 96% was added to 500 g of ethylene glycol to swell for 4 h, added 30 g of glycolic acid, stirred for 4 h, adjusted to pH 8 with 1M sodium hydroxide solution, suction filtered, freeze-dried, Obtain chitosan glycolate;

[0057] (2) Preparation of high-efficiency moisturizing composition: 10 g of chitosan glycolate prepared above and 20 g of trimethylglycine were dissolved in 70 g of pure water, and stirred evenly to obtain a high-efficiency moisturizing composition in the form of water solvent.

Embodiment 3

[0059] (1) Preparation of chitosan glycolate: add 100g chitosan to 300g ethanol to swell for 5h, add 50g glycolic acid, stir for 6h, adjust pH to 7.5 with triethanolamine, suction filter, freeze-dry to obtain shell Polysaccharide glycolate;

[0060] (2) Preparation of high-efficiency moisturizing composition: 8 g of chitosan glycolate prepared above and 22 g of trimethylglycine were dissolved in 70 g of pure water, and stirred evenly to obtain a high-efficiency moisturizing composition in the form of water solvent.

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Abstract

The invention discloses a high-efficiency moisturizing composition and a preparation method and application thereof in cosmetics. The high-efficiency moisturizing composition contains chitosan glycolate and trimethylglycine. In the invention, glycolic acid is utilized for modifying the chitosan, chitosan glycolate the water solubility of which is improved is obtained, and the composition combines good moisturizing effect of the water soluble chitosan and good skin care effect of glycolic acid. In the invention, the chitosan glycolate is compounded with the amino acid moisturizing agent trimethylglycine, thus further improving the moisturizing effect in cosmetics and achieving synergism. The high-efficiency moisturizing composition can be applied to preparation of cosmetics, and the prepared cosmetics have good moisturizing effect.

Description

technical field [0001] The invention relates to the technical field of daily chemicals, in particular to a high-efficiency moisturizing composition, a preparation method and its application in cosmetics. Background technique [0002] Some people will have more serious skin allergies every time the seasons change: dry skin can cause itching, peeling, erythema and other symptoms. This is related to dry skin, but also related to environment, climate, age, food, cosmetics. In the past, it was believed that dry skin was caused by the lack of lipids on the skin surface. Today's research shows that the real cause of dry skin is insufficient moisture in the stratum corneum. The moisture in the human skin is absorbed by the stratum corneum by combining with the moisturizer. If there is a problem with the moisturizer, the moisture cannot be retained, and the skin will inevitably be dry. By adding moisturizing ingredients in cosmetics, the skin can be effectively protected from dryne...

Claims

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Application Information

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IPC IPC(8): A61K8/73A61K8/92C08B37/08A61Q19/00A61K8/33A61K8/34A61K8/37A61K8/41A61K8/44A61K8/67A61K8/81A61K8/891
Inventor 程建华曹文丹谢培镇张鹏
Owner 广州增城潮徽生物技术有限公司
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