All ages and sensitive skin welcome: Our retinol eye serum (0.5 oz.) helps minimize the signs of aging you can see, and the ones you can’t see yet. This retinol eye serum provides 24 hours of hydration to reduce dryness as it instantly brightens. Delivers an instant dose of retinol and a dose of retinol over time to minimize irritation and prolong benefits. Ophthalmologist tested.