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Photomicrographs representative of histological sections of biopsies before and after treatment with ADSCs. (a) Pretreatment biopsies showing intense actinic elastosis in the papillary and reticular dermis. (b) After treatment, a reduction in the elastotic mass in the dermis was observed. Stained: oxidized orcein. (c) Graph of the surface density of the reactive material for oxidized orcein in zone 2 reveals a significant reduction in elastosis (p = 0.005).
