✨ Unlock Your Skin's Potential! Feel good about what you put on your skin. Transform your skin's texture and clarity overnight. Fight blemishes while you sleep. Experience visible results in record time! Tailored for every stage of your skincare journey. 11x Faster Retinal Radiant Youthful Skin Professional-Grade Formula Medik8 Crystal Retinal 3 is an age-defying night serum featuring 0.03% retinaldehyde, designed to improve wrinkles and skin firmness. With a unique formula that works 11 times faster than traditional retinol, it combines powerful ingredients like hyaluronic acid and vitamin E to deliver professional-grade results. This vegan, fragrance-free serum is perfect for new vitamin A users, offering a progressive strength system for optimal skin rejuvenation.