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1 2 3 A 5 6 7 8 9 10 11 12 Carbon side chain length in 4-hydroxybenzonate esters

Figure 4 Relationship of carbon side chain length of 4-hydroxbenzoic acid esters with log Js (sebum flux), log ^«¡bum (sebum partition coefficient), clog P (calculated octanol/water partition coefficient), and log /hs [human skin flux from the literature by Pozzo and Pastori (46)]. o, clog P\ ■ , log tfsebum; log (sebum flux); A, log (skin flux).

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