Cosmetics - Analytical methods - HPLC/UV method for the identification and assay of hydroquinone, ethers of hydroquinone and corticosteroids in skin whitening cosmetic products
This European Standard specifies a HPLC/ UV method for the identification and quantification of hydroquinone, 3 ethers of hydroquinone and 4 corticosteroids most frequently found in illegally sold skin whitening cosmetic products: clobetasol propionate, betamethasone dipropionate, fluocinonide and fluocinolone acetonide.This standard also gives HPLC/ UV methods for the identification of 38 corticosteroids that may be found in skin whitening cosmetic products (see Annex D).This standard is not dedicated to artificial nail products or soaps.
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