6 JOURNAL OF COSMETIC SCIENCE t I I Figure 2. Freeze-fracture electron micrographs of the simple emulsions containing acrylates/C•o_3o alkyl acrylate crosspolymer (a), polysorbate 60 (b), and poloxamer 407 (c). The scale bar indicates 0.5 iam.
PERCUTANEOUS DIFFUSION OF A HYDROPHILIC SUNSCREEN 7 J/ t / . Figure 3. Freeze-fracture electron micrographs of the structured emulsions containing steareth-2/-21 (a), sorbitan stearate and sucrose cocoate (b), and triethanolamine stearate (c). The scale bar indicates 1 pro.
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