86 JOURNAL OF COSMETIC SCIENCE 80. 60- 40- 20- 0 8o o/w EMULSION t-- W/O EMULSION , , ,.., , , oo •--r •T / ...... •T -,-,-,,,-,- 40- 20 OMC BENZOPHENONE-3 r-i CONTROL PP-2 [•] TRICONTANYL PVP COPOLYMER * Represents significant differences from control (p0.10) Figure 1. Amount of sunscreens washed off from emulsions in water-resistance measurements using pig skin (n: 4).
WATER RESISTANCE OF SUNSCREENS 87 80 20 0 80 60- 40- 20- oo +++ OMC •-+++ cq- r W/O EMULSION -- BENZOPHENONE-3 CONTROL [2] PP-2 [73 TRICONTANYL PVP COPOLYMER - Significant differences from control, * = p_0.10, ** = p_0.05 - Significantly differences between treatments amongst two emulsion types, +++ = p_0.01 Figure 2. Amount of sunscreens retained from emulsions inside stratum coeneum in water-resistance measurements using pig skin (n = 4).
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