Table I Compositions (w/w %) of the Formulations o/w Emulsion cream Constituents (%) 1 2 3 4 5 6 7 Ascorbic acid 5 5 Calcium ascorbate 5 5 Vitamin E 5 5 5 Petrolatum 50 Cetyl alcohol 25 23.75 23.75 23.75 22.5 22.5 3 Liquid paraffin 25 23.75 23.75 23.75 22.5 22.5 Glyceryl monostearate 3 Beeswax 8 Propylene glycol 12 11.4 11.4 11.4 10.8 10.8 22 Sodium lauryl sulfate 1 0.95 0.95 0.95 0.9 0.9 Distilled water 37 35.15 35.15 35.15 33.13 33.13 14 w/o Emulsion cream 8 9 10 5 5 5 47.5 47.5 47.5 2.85 2.85 2.85 2.85 2.85 2.85 7.6 7.6 7.6 20.9 20.9 20.9 13.3 13.3 13.3 11 5 5 45 2.7 2.7 7.2 19.8 12.6 12 5 5 45 2.7 2.7 7.2 19.8 12.6 � 0\ 00 "--i 0 z t"'"" 0 '"Ij n 0 � 1---i n n trJ z n

- ·2 ::::J I... Cl) Cl) E 0 Cl) E 0 u Cl) S' g m (!! C Cl) D C m .c u C m Cl) :? MOISTURIZING EFFECTS OF AA, CAAS, AND TOCOPHEROL 469 25 20 15 10 5 o 1 2 3 4 Time (hours) 5 6 □1 ■ 2 ■3 ■ 4 05 □6 Figure 1. Mean values of the changes in skin conductance on the inner forearms of ten volunteers over time following single applications of the o/w emulsion creams in a short-term trial (Formulations 1-6). 30 □ 7 - ·c 8 ::::J I... Cl) 25 ■ 9 ai E ■ 10 0 Cl) 20 E □ 11 0 u Cl) S' ■ 12 15 g m (!! C 10 Cl) D C m 5 .c u C 0 � 1 2 3 4 5 6 Time (hours) Figure 2. Mean values of the changes in skin conductance on the inner forearms of ten volunteers over time following single applications of the w/o emulsion creams in a short-term trial (Formulations 7-12).