138 JOURNAL OF THE SOCIETY OF COSMETIC CHEMISTS Figure 2. Continued. C: SPF-18 sunscreen. The mild elastic fiber hyperplasia is within the range of normal for age-matched animals. Figure 3. 10 MPD: Collagen. Masson's Tri-Chrome stain (magnification X295). A: SPF-7 sunscreen. Focal loss of affinity for the stain indicates some structural damage (*).
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.
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