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Liquid foundation containing composite modified starch and preparation method of liquid foundation

A compound modified starch and liquid foundation technology, which is applied to medical preparations containing active ingredients, skin care preparations, pharmaceutical formulas, etc., can solve the problems of solubility and compatibility that need to be studied, and achieve good concealer effect and safety High performance, easy to clean effect

Inactive Publication Date: 2019-08-20
GUANGXI GAOYUAN STARCH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This patent uses starch as a raw material in cosmetics, and its solubility and compatibility need to be studied

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0052] A liquid foundation containing compound modified starch, comprising the following components in mass percentage: 3.0% compound modified starch; 6.5% oil; 6.0% talcum powder; 3.0% kaolin; 3.8% allantoin; 8.5% titanium dioxide; neutralizer 0.03%; emulsifier 1.7%; thickener 1.0%; humectant 8.0%; active ingredient 0.5%; triethanolamine 1%; 56.97% deionized water.

[0053] The preparation method of the composite modified starch is as follows: adding α-amylase accounting for 0.2% of the starch mass to the starch to enzymaticize the starch, then dissolving the enzymatic starch in isopropanol at 30°C, stirring, Add ethyl acetate accounting for 0.3% of the starch mass and react for 20 minutes under the condition of PH=4.0, then add ethylene oxide accounting for 1% of the starch mass and react for 20 minutes under the condition of PH=8, wash and suction filter to obtain the compound Modified starch, wherein, the starch is corn starch, tapioca starch, potato starch, and sweet pota...

Embodiment 2

[0063] A liquid foundation containing compound modified starch, comprising the following components in mass percentage: 12.0% compound modified starch; 9.8% oil; 8.0% talcum powder; 3.0% kaolin; 3.8% allantoin; 6.1% titanium dioxide; neutralizer 0.01%; emulsifier 1.7%; thickener 1.0%; humectant 8.0%; active ingredient 0.5%; triethanolamine 1%; 45.09% deionized water.

[0064] The preparation method of the composite modified starch is as follows: adding α-amylase accounting for 0.3% of the starch mass to the starch to enzymaticize the starch, then dissolving the enzymatic starch in isopropanol at 45°C, stirring, Add ethyl acetate accounting for 0.8% of the starch mass and react for 30 minutes under the condition of PH=5.0, then add ethylene oxide accounting for 2% of the starch mass and react for 30 minutes under the condition of PH=8, wash and suction filter to obtain the compound Modified starch.

[0065] Wherein, the starch is a mixture of cornstarch and tapioca starch in a...

Embodiment 3

[0075] A liquid foundation containing compound modified starch, comprising the following components in mass percentage: 6.0% compound modified starch; 8.0% oil; 7.0% talcum powder; 4.0% kaolin; 2.2% allantoin; 7.2% titanium dioxide; neutralizer 0.02%; emulsifier 2.0%; thickener 1.2%; humectant 10.0%; active ingredient 0.8%; triethanolamine 2%; 49.58% deionized water.

[0076] The preparation method of the composite modified starch is as follows: adding α-amylase accounting for 0.2% of the starch mass to the starch to enzymaticize the starch, then dissolving the enzymatic starch in isopropanol at 40°C, stirring, Add ethyl acetate accounting for 0.6% of the starch mass and react for 25 minutes under the condition of PH=4.5, then add ethylene oxide accounting for 1% of the starch mass and react for 25 minutes under the condition of PH=8, wash and suction filter to obtain the compound Modified starch.

[0077] Wherein, the starch is tapioca starch, potato starch and sweet potato ...

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Abstract

The invention discloses a liquid foundation containing composite modified starch and a preparation method of the liquid foundation. The liquid foundation is prepared from the following components in percentage by mass: the composite modified starch, grease, talcum powder, kaoline, allantoin, titanium dioxide, a neutralizer, an emulsifier, a thickening agent, a moisturizer, an active ingredient, triethanolamine and deionized water. The prepared liquid foundation has a good concealing effect; the stimulation of the talcum powder to skin can be effectively reduced by adding the composite modifiedstarch; spreadability, smooth feeling and smoothness of the liquid foundation are improved; the composite modified starch, as a carrier, and the active ingredient can play a combined role and have asynergetic effect; the contact area between the active ingredient and the skin is increased; the retention time of the active ingredient on the skin is prolonged; and the liquid foundation achieves abetter moisturizing and whitening effect, is not easily stacked on the skin, does not block pores easily and is easy to clear.

Description

technical field [0001] The invention relates to the technical field of cosmetics, in particular to a liquid foundation containing complex modified starch and a preparation method thereof. Background technique [0002] Liquid foundation is a kind of emulsion-like cosmetics added with powder. It is mainly made by taking advantage of the good compatibility of powdery materials with glycerin and water. It forms a smooth covering layer on the surface to cover or cover up some For facial blemishes, such as freckles, acne, scars, acne marks, etc., adjust the texture, color and luster of the skin, and even out the skin tone, so that the skin tone looks natural and appropriate, and it also has a smooth and tender feeling. It is easy to apply and evenly distributed. Features a natural look. Generally, liquid foundation has the characteristics of strong covering power, which can effectively cover the natural color of the skin after application, so that the skin has the color of founda...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61K8/73A61K8/26A61K8/29A61K8/25A61Q1/02A61Q19/02A61Q19/00
CPCA61K8/25A61K8/26A61K8/29A61K8/732A61K2800/5922A61Q1/02A61Q19/00A61Q19/02
Inventor 张晋滔张晋源徐远平
Owner GUANGXI GAOYUAN STARCH
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