Composition having oil controlling and restoring efficacy, preparation method thereof and application thereof in cosmetics
A technology of composition and efficacy, which is applied in the field of compositions with oil control and repairing effects, and can solve problems such as ineffective effects, dry skin, and damaged skin barrier
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preparation example 1
[0085] This preparation example provides the preparation method of rice extract.
[0086] Dry and pulverize the rice to 200 mesh, add 5 times the weight of deionized water, and then add 10% of the total mass of the rice-water mixture by fermenting bacteria. Fermentation was carried out in a shaker at 33°C and 100 r / min for 15 days. When the pH value of the rice fermentation broth was 4.2, autoclaving was performed at a temperature of 110°C for 20 minutes to inactivate the bacteria. The sterilized fermentation filtrate was centrifuged at 6000 r / min for 30 min, the precipitate was discarded, and the supernatant was collected to obtain the rice extract. Fermentation bacteria is Saccharomyces cerevisiae (Saccharomyces Cerevisiae), adds in the form of bacterial liquid, and the concentration of fermentation bacterial liquid is 10 6 cfu / mL.
preparation example 2
[0088]In this preparation example, when preparing the rice extract, the quality of the water is 10 times the mass of the rice, the quality of the fermentation bacteria is 5% of the total mass of the rice and water mixture, and the concentration of the fermentation bacteria liquid is 10. 7 cfu / mL, the fermentation temperature is 28° C., and the fermentation time is 25 days. When the measured pH value of the rice fermentation broth is 5, sterilization treatment is carried out, and the rest is the same as that of Preparation Example 1.
preparation example 3
[0090] In this preparation example, when preparing the rice extract, the quality of the water is 10 times the mass of the rice, the quality of the fermentation bacteria is 5% of the total mass of the rice and water mixture, and the concentration of the fermentation bacteria liquid is 10. 8 cfu / mL, the fermentation temperature is 30° C., and the fermentation time is 20 days. When the measured pH value of the rice fermentation liquid is 6, sterilization treatment is carried out, and the rest is the same as that of Preparation Example 1.
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