Regenerist Retinol24 Night Serum - BenefitsPenetrates deep into skin's surface layersVisible improvements in fine lines and wrinkles, smoothness, brightness, firming, dark spots, and poresRetinol24 Night Face Serum delivers all of these benefits with virtually no irritationUse Olay daily for 28 days and see true skin transformationThis fragrance and dye free formula absorbs quickly and goes deep into your skin's surface so you wake up every morning to younger-looking, radiant skinKey IngredientsOlay's proprietary blend of Vitamin B3 + Retinol Complex: hydrates skin for 24 hours for a bounty of benefitsResearch ResultsThe retinoid complex has been clinically shown to provide the following results: 65% of women age 25-34 had improvement in wrinklesafter 4 weeks**Average Clinical results for under-eye wrinkles on 20 subjects in a round-robin, randomized, controlled test, compared to baseline. - Regenerist Retinol24 Night Serum