Preparation method of skin whitening and spot fading lotion containing white poria cocos extract
A technology of white Poria cocos extract and emulsion, which is applied in the field of preparation of whitening and lightening emulsion, can solve the problems of skin inflammation, skin side effects, and less natural ingredients, and achieve the effects of no pollution, easy biodegradation, and abundant resources
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[0027] The technical solutions in the present invention are clearly and completely described below in conjunction with the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0028] A kind of preparation method of the whitening emulsion that contains white Poria cocos extract, comprises the following steps:
[0029] Step 1: wash and pulverize the white poria cocos, pass through a 50-200 mesh sieve to obtain the white poria cocos powder, according to the weight ratio of the white poria cocos powder:ethyl acetate=1:10, the white poria cocos powder is added in ethyl acetate, Under the conditions of temperature 20-30°C and frequency 20-30kHz, ultrasonic extraction is performed 2-4 times for 20-40 minutes each time, after extraction is completed, it is filtered, and the filtrates are combined and then concentra...
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