Clinical Study

Histological and Immunohistochemical Evaluation of the Efficacy of a New Cosmetic Formulation in the Treatment of Skin Photoaging

Figure 6

Immunohistochemical staining of the endothelial marker CD-31 before (a) and after treatment (b) showing the increase in vascular presence after cosmetic treatment (40x magnification). Quantification of CD31 positive cells showed a 102.3% increase after treatment compared to baseline () (c).
(a)
(b)
(c)