Application of fumed silica in cosmetics

In cosmetics, it is required to have strong UV shielding ability. It is best to protect against UVB damage to the human body and to protect against UVA. In essence, the ultraviolet shielding includes two aspects, one is the absorption of ultraviolet rays as described above, and the other is the reflection of ultraviolet rays. At present, the anti-ultraviolet agent developed from the viewpoint of ultraviolet reflection performance in the world has not been reported. In the sunscreen products, organic compounds have been frequently used as ultraviolet absorbers, but there are problems such as increasing the amount of the skin to protect the skin from ultraviolet rays as much as possible, and increasing the incidence of skin cancer and chemical allergy, and fumed silica ( Vapor white carbon black) is an inorganic component, easy to be distributed with other groups of cosmetics, non-toxic, odorless, does not have the above problems, and is white in itself, can be simply colored, especially valuable fumed silica (gas phase white carbon) Black) has strong UV resistance and good stability. It does not decompose after being irradiated by ultraviolet rays, does not change color, and does not react with other components in the formulation. These outstanding features of fumed silica (gas phase white carbon black) have laid a good foundation for the upgrading of sunscreen cosmetics.