Preparation method of after-sun repair mask containing Huang Xiang neem extract
A technology for repairing facial masks and extracts after sun exposure is applied in the directions of medical preparations containing active ingredients, preparations for skin care, pharmaceutical formulations, etc., which can solve the problems that the nutrient components of facial masks are not easily absorbed, the functional effect needs to be improved, and the skin care effect is poor. To maintain mitochondrial function, help restore health and vitality, and inhibit tyrosinase activity
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[0026] 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.
[0027] A preparation method for an after-sun repair mask containing neem extract, comprising the following steps:
[0028] Step 1: Grinding the dried neem tree trunk into a neem raw material powder with an average particle size of 10-80 mesh, putting the neem raw material powder into an extraction container, adding 3-20 times the extraction solvent to the extraction container, and refluxing extraction for 1-5 times , each time for 0.5-4 hours, concentrated to 1 / 5 volume to obtain the neem extract, the extraction solvent is ethanol aqueous solution, the mass concentration of the ethanol aqueous solution is 30-60%;
[0029] Step 2: Raw...
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