BROAD-SPECTRUM SUNSCREENS 147 6.(3 Figure 6. Continued. C: SPF-18 sunscreen. Mild elastic fiber hyperplasia but few mast cells (--•-). Figure 7. 16 MPD: Collagen. Masson's Tri-Chrome stain (magnification X 295). A: SPF-7 sunscreen. Loss of affinity for the stain is marked but remains focal (*).
148 JOURNAL OF THE SOCIETY OF COSMETIC CHEMISTS 7B • 7C • Figure 7. Continued. B: SPF-16 sunscreen. Loss of affinity for the stain beneath a squamous cell carcinoma in situ (*). C: SPF-18 sunscreen. Pale subepidermal deposits ( •,- ) are shown to be GAGs when Mowry's stain is used.
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