BROAD-SPECTRUM SUNSCREENS 139 3B Figure 3. Continued. B: SPF-16 sunscreen. Collagen has the normal affinity for the stain, but individual bundles lack clear outlines (•) Figure 4. 10 MPD: Glycosaminoglycans. Mowry's stain (magnification X230). A: SPF-7 sunscreen. Extensive and moderate increases in blue staining GAGs are seen subepidermally.
140 JOURNAL OF THE SOCIETY OF COSMETIC CHEMISTS 443 Figure 4. Continued. B: SPF-16 sunscreen. An area with barely discernible dermal GAGs, but intercel- lular epidermal GAGs are present ( •- ). C: SPF- 18 sunscreen. The only blue-staining dermal features are mast cells (•).
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