Cellex Advanced C- Serum. Anti-aging formula that utilizes natural extracts, acids and antioxidants to reduce visible signs of aging while fighting damage caused by free radicals. Grape seed extract protects against further assaults by free radicals as hydrolyzed ascorbic acid (vitamin C) promotes natural skin cell regeneration, resulting in healthier- and younger-looking skin. Apply after cleansing and toning. 1 fl. Oz.