ZO Skin Health Radical Night Repair is a high-potency retinol cream formulated to accelerate skin renewal and repair while you sleep. This advanced formula combines a high concentration of retinol with other active ingredients to target fine lines, wrinkles, uneven skin tone, and texture. It works to stimulate collagen production, improve skin elasticity, and promote a brighter, more youthful complexion overnight. This product is designed for users who have already acclimated to lower strengths of retinol.