Whitening, anti-aging and anti-wrinkle women's private products and preparation method
An anti-aging and anti-wrinkle technology, applied in cosmetic preparations, cosmetic preparations, sexually transmitted diseases, etc., can solve the problems of poor nursing effect, short contact time, and reduced skin's intake of nutrients.
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[0072] Nano silver can be prepared by physical chemical method and chemical reduction method. Physical and chemical methods are divided into photon reduction method, laser stripping method, high-voltage magnetron sputtering method, and ultrasonic method; chemical reduction methods include silver ammonia ion reduction method, electrochemical reduction method, and reverse micellar method.
[0073] The light quantum reduction method is an important method for preparing nano-silver. Its basic principle is to make the solution generate hydration electrons and reduced free radical groups by light, and the hydration electrons or free radical groups can reduce the silver ions in the solution. , forming activated silver, activated silver continuously accumulates into larger particles, and then stabilizes the particles with polymers or other media. The reproducibility of nano-silver prepared by this method is good, and it is carried out at room temperature, and it is not possible Interf...
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