Reventin Clinicals Results Anti-Aging serum dramatically improves the look of wrinkles and skin roughness. Increases moisture by 88%, immediately! Brightens the look of dull, uneven skin tone. Marine Botanicals brighten skin to help reduce the appearance of age spots, dark spots, fine lines, deep wrinkles, hyperpigmentation, melasma, to help give your skin a youthful glow. Natural oils give this topical serum a light fragrance. Retinol (Vitamin A) is the number 1 recommended ingredient by dermatologist to help with wrinkles. No prescription needed for this highly effective serum! For best results, use after facial cleanser and before applying your day cream or night cream.