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Application of nano TiO2 in cosmetics
UVA (320~400nm) and UVB (280~320nm) in ultraviolet rays have strong penetrating power to the skin. If the ultraviolet radiation is excessive, it may cause skin cancer or acute dermatitis (sunburn). At present, there are many kinds of sunscreens, most of which are supplied by the market, and nanometer TiO 2 is an inorganic component, which is non-toxic and tasteless, and is transparent or white in itself, and can be simply colored to have strong absorption of UVA and UVB. It has gradually become an important member of the world's sunscreen cosmetics, which can improve sun protection and UV resistance. Nano TiO 2 is widely used in sunscreen, foundation cream, lipstick and sunscreen mousse. It breaks through the forms of traditional sunscreens such as cream, cream, honey and water. It is widely used in basic cosmetics such as shampoo and bath. It is predicted that, in cosmetics, as sunscreen Japan's annual raw material for cosmetics, it is necessary nano-TiO 2 1000 tons particle diameter is preferably 30 ~ 50nm, rutile than anatase.