Skin Ceuticals Retexturing ActivatorRetexturing Activator is a revolutionary hydrating and exfoliating serum that helps strengthen the skin barrier for healthier, more radiant skin. Using patented technology, this unique serum is highly effective at promoting proper exfoliation, through 5% Hepes, and optimizes the skins amino acid supply to strengthen the skin barrier. Formulated in an efficient delivery system suitable for all skin types to replenish and exfoliate the skin for