Determination of chlorobutanol in cosmetic products by electron capture gas chromatography.

Synopsis A method of determining qualitatively and quantitatively chlorobutanol in cosmetic products by means of an electron capture detector is described. Simple dilution procedure with a solvent containing an internal standard is used.

Esters of para-aminobenzoic acid in cosmetics. Identification and dosage within sun-creams.

Synopsis A method is presented for the identification and determination by T.L.C.