Skin care essence with acne-removing and soothing functions and preparation method of skin care essence
An essence and soothing technology, applied in the direction of medical preparations containing active ingredients, skin care preparations, skin diseases, etc., can solve the problems of no acne and its complications, low skin irritation, etc., to achieve good appearance, Promotes metabolism and resolves turbidity
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Embodiment 1
[0032] Embodiment 1 Swertia 50% ethanol extract preparation
[0033] Take the dried whole herb of Swertia japonica, crush it into a coarse powder, add 50% ethanol solution of 6 times the weight of the coarse powder, extract 3 times at 70°C for 3 hours each time, filter, and combine the filtrate; the filtrate is purified by macroporous resin, Concentrate under reduced pressure to obtain a concentrated solution, centrifuge the concentrated solution, collect the precipitate, and dry it to obtain that.
Embodiment 2
[0034] Example 2 Preparation of Swertia 70% ethanol extract
[0035] Take the dried whole herb of Swertia japonica, crush it into a coarse powder, add 70% ethanol solution of 6 times the weight of the coarse powder, extract 3 times at 70°C for 3 hours each time, filter, and combine the filtrate; the filtrate is purified by macroporous resin, Concentrate under reduced pressure to obtain a concentrated solution, centrifuge the concentrated solution, collect the precipitate, and dry it to obtain that.
Embodiment 3
[0036] Embodiment 3 Conicus stone flower water extract preparation
[0037] Take the root of S. conicum, dry it, crush it into a coarse powder, add 12 times the volume of the coarse powder to distilled water at 85°C and extract 3 times, each time for 1.5 hours, filter while it is hot, combine the filtrates, and concentrate under reduced pressure to obtain the product.
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