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Sun screening agent hydrogel composition, and preparation method and application thereof

The technology of a sunscreen agent and hydrogel is applied in the field of composition and preparation thereof, and achieves the effects of high skin compatibility, good film-forming property, and improvement of ultraviolet protection ability

Inactive Publication Date: 2015-06-17
STATE GRID CORP OF CHINA +3
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This technology provides a preparation method of oily hydrogel, which is suitable for water-in-oil emulsification system, but has certain limitations in application

Method used

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  • Sun screening agent hydrogel composition, and preparation method and application thereof

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preparation example Construction

[0036] A preparation method of a sunscreen hydrogel composition, comprising the following steps,

[0037] Step 1, dissolving chitosan in acid water forms chitosan aqueous solution;

[0038] Step 2, mixing glycerophosphate aqueous solution with the chitosan aqueous solution obtained in step 1 to form chitosan hydrosol;

[0039] Step 3, mixing sodium hyaluronate with the chitosan hydrosol obtained in step 2 to form chitosan sodium hyaluronate hydrosol;

[0040]Step 4, mixing the sunscreen solution with the chitosan sodium hyaluronate hydrosol obtained in step 3 to form a sunscreen hydrosol;

[0041] Step five, transforming the sunscreen hydrosol obtained in step four into a sunscreen hydrogel under the condition of 37°C.

[0042] The acid water in the step 1 contains one or more of acetic acid, hydrochloric acid, oxalic acid, citric acid and lactic acid.

[0043] Application of a sunscreen hydrogel composition in sunscreen cosmetics.

[0044] As a kind of natural cationic po...

Embodiment 1

[0068] Embodiment 1, a kind of sunscreen agent hydrogel composition:

[0069] Including 5% chitosan, 15% glycerophosphate, 5% sodium hyaluronate, 15% sunscreen, 50% water.

Embodiment 2

[0070] Embodiment 2, a kind of sunscreen agent hydrogel composition:

[0071] Including 10% chitosan, 10% glycerophosphate, 10% sodium hyaluronate, 10% sunscreen, 60% water.

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Abstract

The invention relates to a sun screening agent hydrogel composition, and a preparation method and an application thereof. The composition comprises 5-15wt% of chitosan, 5-20wt% of glycerophosphate, 2-10wt% of sodium hyaluronate, 5-15wt% of a sun screening agent and 50-70wt% of water. Compared with compositions in the prior art, the composition disclosed in the invention has the advantages of stable cladding of the sun screening agent, prevention of direct contact with human body skins, effective avoiding of irritation and allergy effects on the human body skins, and substantial improvement of the ultraviolet protection, anti-oxidation and whitening effects of sun screening products.

Description

technical field [0001] The invention belongs to the field of biotechnology, in particular to a composition and its preparation method and application. Background technique [0002] The widely used sunscreen agents in the world can be roughly divided into two types according to their different mechanisms, namely physical ultraviolet shielding agents and chemical ultraviolet absorbers. Among them, physical sunscreens are mainly titanium oxide or zinc oxide, and chemical sunscreens are mainly substances containing unsaturated or unpaired electron groups, including p-aminobenzoic acid (PABA) and its esters, anthranilate, water, etc. Salylic acid esters, p-methoxycinnamic acid esters, benzophenone and its derivatives, methane derivatives and camphor derivatives, etc. In recent years, reports of adverse reactions caused by chemical sunscreens and physical sunscreen ingredients are on the rise, including allergic contact dermatitis, irritant contact dermatitis, phototoxicity, phot...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61K8/73A61K8/06A61Q17/04A61Q19/02A61Q19/08
Inventor 孙成勋李红彦孙文艺朱宝余高阳徐华雷刘森
Owner STATE GRID CORP OF CHINA
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