196 JOURNAL OF THE SOCIETY OF COSMETIC CHEMISTS 2 ,lO V,, '..... 1.10z- '*Oo %o ß "-0._ "'--... ..... 5.10 •,,,,, ß "• '•,,• i i I 10 100 500 1000 Depth ( pm ) Figure 3. Distribution of 14C linoleic acid in the epidermis plus dermis, 2 (&), 6 (I), and 24 (•) hours after a single application.
PERCUTANEOUS PENETRATION OF LINOLEIC ACID 197 2.•o• '- \ N \ --...,...... -, I:: 1,1o2z 5.1o! '• 2.10! 10 100 .•00 1000 Depth ( yrn ) Figure 4. Distribution of •4C linoleic acid in the epidermis plus dermis, 24 (&) and 72 (•) hours after the last iterative application.
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