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The composition of absorption of ultra violet substantive and formulation of sunscreen or sunblock
The composition of absorption of ultra violet substantive and formulation of sunscreen or sunblock
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机译:吸收紫外线的成分以及防晒霜或防晒霜的配方
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摘要
Improved substantive ultraviolet absorbing compound, and a sunscreen or sunblock formulation including such a compound, characterized by an ultraviolet absorbing agent having an acid group, in combination with a fatty amine. The acid-containing ultraviolet absorbing agents are selected from the groups consisting of UV-A absorbing agents including sulisobenzone and thioctic acid, and UV-B absorbing agents including 2-phenylbenzimidazole-5-sulfonic acid, salicylic acid, methoxycinnamic acid, cinnamic acid and ferrulic acid. The fatty amine is selected from the group consisting of lauramidopropyl dimethylamine, oleamidopropyl dimethylamine, ricinoleamidopropyl dimethylamine, stearamidoethyl ethanolamine, stearamidoethyl diethylamine, cocoyl imidazoline, and alkyldimethylamine. The resulting improved ultraviolet absorbing compound and formulations into which it is incorporated have enchanced substantivity and thereby greater water resistance.
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