Pickering emulsion type skin care product

A technology of Pickering emulsion and skin care products, which is applied in skin care preparations, cosmetics, cosmetic preparations, etc., and can solve problems such as loss of emulsifying performance, affecting emulsion stability, and insufficient emulsifying performance.

Pending Publication Date: 2021-07-30
SHANGHAI CHUANGYUAN COSMETICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Monomolecular emulsifiers usually have strong emulsifying ability, but their emulsifying ability is affected by pH changes, the addition of salt or diluents cause concentration changes and los

Method used

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  • Pickering emulsion type skin care product
  • Pickering emulsion type skin care product
  • Pickering emulsion type skin care product

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0047] The present invention will be further illustrated by the following examples, but these examples do not constitute any limitation to the scope of the present invention in any way.

[0048] Each component and content thereof of table 2 embodiment 1

[0049]

[0050]

[0051] Example 1, which contains Silsoft EAU and sunscreen, has an SPF test of 68.5. However, in the case of keeping the same sunscreen system, but using the traditional emulsification system polysorbate-60 and arachidyl alcohol / behenyl alcohol / arachidyl alcohol glucoside (see the comparative example in Table 2), its SPF test is only 26.8.

Embodiment 2

[0053] Prepare a liquid foundation containing Silsoft EAU and pigments with the composition of the following table 3, and compare it with the liquid foundation of the conventional emulsification system (betaine), the liquid foundation prepared by Silsoft EAU has the color and liquid foundation that appear when applied on the skin The color itself is consistent with the characteristics.

[0054] Each component and its content of table 3 embodiment two

[0055] Composition (wt%) Example 2 comparative example water balance to 100 balance to 100 Cyclopentasiloxane 6 6 Polydimethylsiloxane 2 2 Titanium dioxide (CI77891) 4.22 4.22 glycerin 3 3 Cetearyl Dimethicone Crosspolymer 3 3 boron nitride 2 2 Silsoft EAU (polysiloxane-34) 2 / Betaine / 2 Iron Oxides (CI 77492) 0.59 0.59 Trimethylsiloxysilicate 0.5 0.5 Iron Oxides (CI 77491) 0.13 0.13 Ammonium Acryloyldimethyltaurate / VP Copol...

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PUM

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Abstract

The invention provides a Pickering emulsion type skin care product. The Pickering emulsion type skin care product comprises Silsoft EAU microgel, an oil phase, a pH regulator, a thickening agent, a coloring agent and a water-alcohol phase; the mass percent of the Silsoft EAU microgel is 1-6%; the mass percent of the oil phase is 5-50%; the mass percent of the pH regulator is 0.2-1%; the mass percent of the thickening agent is 0.1-3%; the mass percent of the coloring agent is 0.2-15%; and the mass percent of the water-alcohol phase is 25-93.5%. According to the invention, the Silsoft EAU microgel is adopted to realize a Pickering emulsion type, the use of a conventional emulsifier is successfully avoided, and due to the characteristics of a high-molecular polymer, the percutaneous penetration problem is not easy to occur, so that the Pickering emulsion is relatively mild; and due to the structural characteristics, different product forms are prepared by controlling the addition amount or adjusting the pH value, and then different skin feeling characteristics are presented.

Description

technical field [0001] The invention relates to the field of cosmetics, in particular to a Pickering lotion type skin care product. Background technique [0002] Skin care products, that is, products that protect the skin, have become a necessity in people's lives with the advancement of the economy and the enrichment of material life. It has played a great role in improving people's spirit and image. Traditional skin care products, such as skin care lotions and creams, are composed of two immiscible liquids, water and oil, which form a stable emulsion through an emulsifier. Emulsions usually have a water-in-oil type and an oil-in-water type. Due to the existence of two phases of oil and water, emulsions can achieve skin care products to moisturize and moisturize the skin. Soft and comfortable to use. [0003] Emulsifiers used in skin care products can generally be roughly classified into monomolecular emulsifiers and polymer emulsifiers. Monomolecular emulsifiers, so-cal...

Claims

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Application Information

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IPC IPC(8): A61K8/06A61K8/891A61Q1/12A61Q17/04A61K8/02
CPCA61K8/06A61K8/891A61Q1/12A61Q17/04A61K8/0245A61K2800/43A61K2800/654
Inventor 曾四立娜塔莉李雅娟何晓东
Owner SHANGHAI CHUANGYUAN COSMETICS
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