This remarkable anti-aging serum works in eight ways to promote a youthful, healthy complexion. DefenAge 8-in-1 BioSerum contains ingredients that are clinically proven to rejuvenate and restore vitality to skin. Niacinamide soothes and promotes microcirculation, while a select blend of peptides and proprietary Defensins smooth fine lines, brightens hyperpigmentation and firms skin for an improved facial contour.