Percutaneous penetration and skin retention of topically applied compounds: an in vitro-in vivo study.


Radiolabeled compounds with varying partition coefficients (paraoxon, benzoic acid, parathion, and DDT) were chosen to study the percutaneous penetration and extent of dermal retention in pig skin both in vitro and in vivo. Radiolabel distributions within the skin were determined from 1 min to 24 h after application in ethanol. The distribution of… (More)


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