ARCONA Advanced "A" Serum unlocks your skin's natural repair cycle. This overnight anti-aging serum features retinaldehyde, a stable form of vitamin A, to diminish the look of photodamage, fine lines, wrinkles, and enlarged pores. A peptide blend, including Matrixyl Synthe'6, helps boost clarity and firmness. With antioxidant-rich chrysin extract, the serum can defend against free radicals.