Preparation method of sunscreen containing evening primrose

A technology of sunscreen and weight percentage, applied in skin care preparations, pharmaceutical formulas, cosmetic preparations, etc., can solve the problems of complex preparation methods and low yields, and achieve the effect of simple steps and high yields

Inactive Publication Date: 2018-02-06
周丽
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The preparation method of evening primrose sunscreen in the prior art is more complicated, and the yield is low

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0011] Embodiment 1: the preparation method of evening primrose sunscreen of the present invention, evening primrose extract 20%, butyl acrylate styrene 15%, epoxy resin 8% and potassium permanganate 2% add distilled water and mix, Stir well and let stand for 10 minutes, then slowly add 0.4% sorbic acid, 0.3% malic acid and 0.05% sodium benzoate, stir well, heat to 65°C, let stand for 10 minutes, then cool to 25°C, add 0.01% glycerin, Stir well.

Embodiment 2

[0012] Embodiment 2: the preparation method of evening primrose sunscreen of the present invention, evening primrose extract 25%, butyl acrylate styrene 17%, epoxy resin 10% and potassium permanganate 3.5% add distilled water and mix, Stir well and let stand for 10 minutes, then slowly add 0.7% sorbic acid, 0.55% malic acid and 0.065% sodium benzoate, stir well, heat to 65°C, let stand for 10 minutes, then cool to 25°C, add 0.03% glycerin, Stir well.

Embodiment 3

[0013] Embodiment 3: the preparation method of evening primrose sunscreen of the present invention, evening primrose extract 30%, butyl acrylate styrene 19%, epoxy resin 12% and potassium permanganate 5% add distilled water and mix, Stir well and let stand for 10 minutes, then slowly add 1.0% sorbic acid, 0.8% malic acid and 0.08% sodium benzoate, stir well, heat to 65°C, let stand for 10 minutes, then cool to 25°C, add 0.05% glycerin, Stir well.

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PUM

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Abstract

The invention discloses a preparation method of evening primrose sunscreen, which comprises 20%-30% of evening primrose extract, 15%-19% of butyl acrylate styrene, 8%-12% of epoxy resin and permanganate Mix 2%~5% potassium with distilled water, stir well and let stand for 10 minutes, then slowly add 0.4%~1.0% sorbic acid, 0.3%~0.8% malic acid and 0.05%~0.08% sodium benzoate, stir well and heat to 65°C, let stand for 10 minutes, then cool to 25°C, add 0.01%~0.05% glycerin, and stir well.

Description

technical field [0001] The invention relates to a preparation method of evening primrose sunscreen. Background technique [0002] Sunscreen, as a commonly used skin care product, has been widely favored by users. The preparation method of the evening primrose sunscreen in the prior art is relatively complicated and the yield is low. Therefore, it is very necessary to propose a preparation method of evening primrose sunscreen with simple steps and high yield. Contents of the invention [0003] The invention provides a preparation method of evening primrose sunscreen with simple steps and high yield. [0004] The preparation method of evening primrose sunscreen of the present invention, evening primrose extract 20% ~ 30%, butyl acrylate styrene 15% ~ 19%, epoxy resin 8% ~ 12% and potassium permanganate 2 %~5% mixed with distilled water, stirred evenly and let stand for 10 minutes, then slowly added 0.4%~1.0% sorbic acid, 0.3%~0.8% malic acid and 0.05%~0.08% sodium benzoat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61K8/9789A61K8/86A61K8/37A61K8/368A61K8/365A61K8/36A61K8/34A61K8/19A61Q17/04
CPCA61K8/97A61K8/19A61K8/345A61K8/36A61K8/365A61K8/368A61K8/37A61K8/86A61Q17/04
Inventor 周丽
Owner 周丽
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