Compound skin cream for treating chloasma, preparation method and application
A technology of cream and chloasma, which is applied in the field of traditional Chinese medicine for external use, can solve the problems that the cause of chloasma is not completely clear and prone to recurrence, etc., and achieve the effect of relieving pain and good therapeutic effect
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[0031] Example 1: A preparation method for a compound skin cream for the treatment of chloasma, comprising the steps of:
[0032] (1) Preparation of Panax notoginseng extract: take 24g of Panax notoginseng, add water to soak for 2 hours, then boil and extract twice, add 8 times the amount of water for the first time, decoct for 1.5 hours, add 6 times the amount of water for the second time, and decoct for 1 hour , filter the extract, combine the filtrates, concentrate under reduced pressure to about 1g of medicinal materials per ml, add 2 times the amount of ethanol under stirring, refrigerate for 48h, separate the supernatant, recycle the ethanol and concentrate until each g of extract contains 2g of medicinal materials Extraction, that is, Panax notoginseng extract, for subsequent use;
[0033] (2) Preparation of safflower extract: take 1.4g of safflower, add water to soak for 2 hours, then boil and extract 2 times, add 8 times the amount of water for the first time, decoc...
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