Olay Regenerist Retinol 24 Night Facial Serum penetrates deep into skin's surface layers. Our proprietary blend of Vitamin B3 + Retinoid complex hydrates skin for 24 hours. Use for 28 days to see visible improvements in fine lines & wrinkles, smoothness, brightness, firming, dark spots, and pores. This formula is fragrance free and free of dyes, phthalates and mineral oil. It absorbs quickly and goes deep into your skin's surface so you wake up every morning to younger-looking, radiant skin. Use Olay daily for 28 days and see true skin transformation. We guarantee you'll love your OLAY product! If you are not satisfied, we'll give you your money back via a prepaid card. Must submit within 60 days of purchase. Call toll-free 1-855-845-9797 or visit olay.com/guarantee.