Whitening and moisturizing lotion suitable for oily skin and preparation method therefor
A moisturizing lotion and skin technology, applied in the field of whitening and moisturizing lotion and its preparation, can solve the problems of poor moisturizing and oil control effect, high skin irritation, poor practicability, etc., and achieve excellent antioxidant activity, improved whitening effect, and guaranteed cleanliness. Effect
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Embodiment 1
[0056] S1: Prepare materials:
[0057] S2: Preparation of plant extract:
[0058] Take holly leaves, dry them naturally and freeze them with liquid nitrogen at a temperature of (-40)°C for 10 minutes. After freezing, place them at (-10)°C for 4 hours, then place them in distilled water and heat them under the protection of nitrogen. to 40°C, soak at a constant temperature for 1 hour, collect the distilled components, and obtain the extract of wintergreen leaves;
[0059] Take Huang Ling, wash and dry, crush into coarse powder, add water and decoct three times, the decoction temperature is 40°C, and the decoction time is 4 hours, take the filtrate obtained from each filtration, mix and stir for 10 minutes, and obtain the Huang Ling extract;
[0060] Take ginkgo leaves and verbena, wash them with hot water at 40°C, and soak them in sodium chloride solution for 15 minutes at a temperature of 90°C, take them out and drain the water, dry them at 70°C, crush them, and pass through ...
Embodiment 2
[0073] S1: Prepare materials:
[0074] S2: Preparation of plant extract:
[0075] Take holly leaves, dry them naturally and freeze them with liquid nitrogen at a temperature of (-45) 5°C for 15 minutes. After freezing, place them at (-15)°C for 5 hours, then place them in distilled water under the protection of nitrogen. Heating to 60°C, soaking at constant temperature for 1.5h, collecting the distilled components to obtain the extract of wintergreen leaves;
[0076] Take Huangling, wash and dry, crush into coarse powder, add water and decoct three times, the decoction temperature is 65°C, and the decoction time is 4.5h, take the filtrate obtained from each filtration, mix and stir for 12min, and obtain the Huangling extract ;
[0077] Take ginkgo leaves and verbena, wash them with hot water at 45°C, and soak them in sodium chloride solution for 18 minutes at a temperature of 95°C, take them out, drain them, dry them at 75°C, crush them, and pass through a 60-mesh sieve to o...
Embodiment 3
[0090] S1: Prepare materials:
[0091] S2: Preparation of plant extract:
[0092] Take holly leaves, dry them naturally, and freeze them with liquid nitrogen at (-50)°C for 20 minutes. After freezing, place them at (-20)°C for 6 hours, then place them in distilled water, and heat them under the protection of nitrogen. to 70°C, soak at a constant temperature for 2 hours, collect the distilled components, and obtain the extract of wintergreen leaves;
[0093] Take Huangling, wash and dry, crush into coarse powder, add water and decoct three times at 70°C for 5 hours, take the filtrate obtained from each filtration, mix and stir for 15 minutes, and obtain Huangling extract;
[0094] Take ginkgo biloba leaves and verbena, wash them with hot water at 50°C, soak them in sodium chloride solution for 20 minutes at 100°C, take them out and drain the water, dry them at 80°C, crush them, and pass through a 60-mesh sieve to obtain Mixed material; take the mixed material, add 10 times th...
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