Identification and dosage of hydroquinone, methyl and benzyl ethers in cosmetic products for whitening the skin.
Synopsis A method for their quantitative determination by reversed phase high performance liquid chromatography has been developed using UV detection at 294 mm. The conditions necessary for the identification of hydroquinone and its benzyl and methyl ethers by thin layer chromatography are described.
Herpol-Borremans
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Ministère de la Santé Publique, Institut d'Hygiène et d'Epidémiologie, Département Pharmatoxicologie (Ir. J. Gosselé), Service Cosmétiques, 14 rue J. Wytsman, 1050 Bruxelles.
Masse
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