GLYCEROL EFFECT ON STRATUM CORNEUM LIPID 57 11o 1 oo 90 80 7o 6o A ß I ' I ' I ß i ' I 0 1 2 3 4 5 6 time (hr) 110 B lOO 9o 8o 7o 6o 0 10 20 30 40 50 60 70 80 time (hr) Figure 3. Water loss oerom model ]ipid in 6% RH over 6 hours (^) and over 72 hours (B). Samples contained glycerol at 0% ([•), 5% (•), 10% (I), and 15% (0) by weight.
58 JOURNAL OF THE SOCIETY OF COSMETIC CHEMISTS A 120 110 100 9o 80 ß I ' I ß 0 2 4 6 time (hr) 120 B 11o 1 oo 9o 80 0 20 40 60 80 100 time (hr) Figure 4. Water loss/water gain from model lipid in 92% RH over 6 hours (A) and 96 hours (B). Samples contained glycerol at 0% ([]) and 10% (•) by weight.
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