Introducing a next-generation Retinol formulation! This powerful night serum packs all the smoothing and skin tone evening benefits of Pure Retinol, Niacinamide and NeoGlucosamine, complemented by the nourishing and hydrating effects of Centella Asiatica and Hyaluronic Acid. This product is ideal for those who want the powerful antiaging benefits of Retinol while minimizing the potential for irritation that's associated with traditional Retinol formulas. Key Benefits: Targets visible effects of collagen-depleted skin while smoothing the look of fine lines and wrinkles with 0. 3% Pure Retinol; reduces the appearance of age spots with 4% Niacinamide; gently exfoliates with NeoGlucosamine; nourishes skin with Centella Asiatica (Tigergrass) and boosts hydration with Hyaluronic Acid. Suitable for dry, normal and oily skin types. Fragrance-free. Dermatologist & allergy tested. Tested on all skin tones. 97% skin tone is more even, skin is lifted and less droopy. *97% skin is firmer** 92% wrinkles are less noticeable** 92% age spots / dark spots are fading** *% of participants noting improvement after 12 weeks with once daily use. **% of participants noting improvement after 8 weeks with once daily use. Dermstore has partnered with Flex to allow you to use your Health Savings Account (HSA) or Flexible Spending Account (FSA). This means you can now use your HSA or FSA debit card to buy Neostrata products with pre-tax dollars, resulting in net savings of 30-40%, depending on your tax bracket. Eligible for HSA/FSA with a letter of medical necessity at checkout. From dermatologist-recommended treatments to solutions for chronic skin conditions like acne, eczema, and rosacea, these products are both effective and eligible. | NEOSTRATA Potent Retinol Complex Serum, 1fl oz | Dermstore