A specific HPLC method, with an RP-C-18 column and a UV detector, for simultaneous
determination of vitamin E (tochopherol, T)/T acetate (TA) in four commercial and two …

A rapid HPLC method was developed for the assay of tocopheryl acetate and ascorbyl
tetraisopalmitate in cosmetic formulations. The validated method was applied for quantitative …

Abstract α-Tocopheryl nicotinate (α-TN) accelerates blood circulation and stimulates hair
follicle cells, hence it is an active ingredient in a broad range of cosmetic products. A …

The objective of this research was to investigate the permeation and metabolism of alpha-
tocopheryl acetate (alpha-TAc) and alpha-tocopherol (alpha-T) from solution and emulsion …

Nowadays there are many sun-protection cosmetics incorporating organic or inorganic UV
filters as active ingredients. Chemically stable inorganic sunscreen agents, usually metal …

An extremely small amount of several heavy metals have been detected in cosmetic
products as impurities, which can cause skin allergies through percutaneous adsorption on …

Tocopherol (T) and tocopherol acetate (TA) are widely used ingredients in cosmetics. The
present study was carried out to evaluate the content and stability of T/TA contained in …

Vitamin A (retinol) and some of its derivatives are a group of fat-soluble compounds used in
cosmetic products as bioactive ingredients. Therefore, it is necessary to perform the quality …

A novel simple method to detect vitamins in cosmetic products by gas chromatography‐
mass spectrometry (GC‐MS) has been developed. Three vitamins (panthenol …

An HPLC method has been developed for the determination of fat-soluble vitamins. Ten fat-
soluble vitamins were separated simultaneously on a 25 cm× 4.6 mm id Hypersil C 18 …