SkinMedica's Age Defense Retinol Complex .25 is formulated to renew the skin's tone and texture without irritating the skin. Retinol helps combat the signs of premature aging while magnolia bark extract soothes inflammation. Ideal for use twice a week to build tolerance to formula. Key Ingredients: Retinol: helps boost collagen production and cell turnover to reduce the appearance of fine lines and deep wrinkles PhytoShield Complex: an antioxidant complex, enhancing skin texture and minimizing irritation Key Benefits: Enhances skin tone and texture Boosts more resilient skin Diminishes appearance of fine lines and coarse wrinkles