Acne removal cosmetic containing compound plant extracts and preparing method of cosmetic
The technology of plant extracts and cosmetics is applied in the field of acne-removing cosmetics containing compound plant extracts and the preparation thereof, which can solve the problems of human injury, large irritation, large side effects, etc. The effect of oil secretion
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Embodiment 1
[0016] The preparation method of the compound plant extract is as follows: Weigh the dried white pomegranate root, dandelion and thyme according to the mass ratio of 3:1:1, crush them, add 5 times the amount of acetone to soak for 48 hours, filter, evaporate the acetone, and decoct the residue with water Boil and extract twice, concentrate, add 3 times the amount of ethanol for ethanol precipitation, and let it stand; filter, dissolve the precipitate with water to make a solution containing 1000 mg / ml of crude drug.
Embodiment 2
[0018] The preparation method of the compound plant extract is as follows: Weigh the dried white pomegranate root, dandelion and thyme according to the mass ratio of 1:1:3, add 10 times the amount of acetone to soak for 48 hours after crushing, filter, evaporate the acetone, and decoct the residue with water Boil and extract twice, concentrate, add 5 times the amount of ethanol to precipitate, let stand; filter, dissolve the precipitate with water to make a solution containing 1000mg / ml of crude drug.
Embodiment 3
[0020] The preparation method of the compound plant extract is as follows: Weigh the dried white pomegranate root, dandelion and thyme according to the mass ratio of 1:3:1, crush them, add 8 times the amount of acetone to soak for 48 hours, filter, evaporate the acetone, and decoct the residue with water Boil and extract twice, concentrate, add 3 times the amount of ethanol for ethanol precipitation, and let it stand; filter, dissolve the precipitate with water to make a solution containing 1000 mg / ml of crude drug.
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