Whitening and moisturizing skin cream and preparation method thereof
A skin cream and whitening technology, which is applied to skin care preparations, pharmaceutical formulations, cosmetic preparations, etc., to achieve the effects of good whitening effect, high content of active ingredients and easy extraction
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[0047] The preparation method of purple flower (VIOLA YEDOENSIS MAKINO) powder comprises the steps of: washing the freshly picked rooted whole grass purple flower with water for 3 times and then drying to control its water content at 3wt%; Pulverize and pass through a 200-mesh sieve to obtain the Viola chinensis powder.
[0048] Unless otherwise specified, each raw material in the examples of the present invention and comparative examples is a commercially available unified raw material.
Embodiment 1
[0054] A whitening and moisturizing skin cream, comprising the following raw materials in parts by weight: 0.6 part of VIOLA YEDOENSISMAKINO extract, 0.6 part of squalane, 0.5 part of L-arginine, and 0.5 part of PEG-7 glycerin cocoate , 0.4 parts of tranexamic acid, 0.05 parts of butyl 4-hydroxybenzoate, 0.05 parts of 2-phenoxyethanol, 1 part of sodium hyaluronate, 13 parts of 1,2-propanediol, 4 parts of dipropylene glycol, 1,3- 9 parts of butanediol, 5 parts of cetearyl alcohol, 5 parts of sorbitol, 3 parts of 2-hydroxy-4-methoxybenzophenone, 60 parts of deionized water.
[0055] The preparation method of the Viola extract is as follows:
[0056] Add viola dizi powder into distilled water, the mass ratio of viola didan powder to distilled water is 13:117, heat to 100°C and boil for 1.5h, filter to obtain filtrate A1 and filter residue B1; add filter residue B1 to distilled water , the mass ratio of the filter residue B1 to distilled water is 13:91, heated to 100°C and boiled...
Embodiment 2
[0060]A whitening and moisturizing skin cream, comprising the following raw materials in parts by weight: 0.6 part of VIOLA YEDOENSISMAKINO extract, 0.6 part of squalane, 0.5 part of L-arginine, and 0.5 part of PEG-7 glycerin cocoate , 0.4 parts of tranexamic acid, 0.05 parts of butyl 4-hydroxybenzoate, 0.05 parts of 2-phenoxyethanol, 1 part of sodium hyaluronate, 13 parts of 1,2-propanediol, 4 parts of dipropylene glycol, 1,3- 9 parts of butanediol, 5 parts of cetearyl alcohol, 5 parts of sorbitol, 3 parts of 2-hydroxy-4-methoxybenzophenone, 60 parts of deionized water.
[0061] The preparation method of the Viola extract is as follows:
[0062] Step 1: Add the Viola Dipin powder into the distilled water and mix evenly, the mass ratio of the Viola Dipin powder to the distilled water is 13:7; raise the temperature to 39°C to inoculate the fermenting bacteria, the mass ratio of the fermenting bacteria and the Viola Dipin powder The ratio is 1.8:100; ferment at 39°C for 60 hour...
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