Discover Retinol + Hpr Ceramide Capsules Rapid Skin Renewing Serum, a highly effective wrinkle treatment that visibly reduces wrinkles in 7 days (based on a consumer study of 57 participants) without irritation (based on multiple long-term use (30 days or greater) studies encompassing 236 panelists) and leaves skin with improved texture and tone. Our gentle formula can be used day and night and delivers fast results, with 10X more potency than pure retinol (based on a comparison of bioavailability of Hpr compared to retinol). An effective frown line and overall wrinkle treatment, these skin care serum capsules were the Winner of People Beauty Awards – Best Retinol Serum of 2024.