A sunscreen supplement specifically formulated to add full spectrum protection to your favorite moisturizer or make-up. Benefits of Solar Defense Booster SPF30 - Boost the UV-defense of your prescribed Dermalogica Moisturizer or Treatment Foundation by mixing equal parts together. - Highly-active botanical extracts and vitamins help scavenge free radicals, helping to combat premature aging. - May also be used alone for maximum SPF30 protection. Dermalogica Recommended Skin Type All skin conditions. Dermalogica Recommended Application For daily sun protection, mix equal amounts of Solar Defense Booster SPF30 with prescribed Dermalogica Moisturizer or Treatment Foundation in palm of hand. Apply to face in smooth, upward strokes. May also be applied directly to the face for maximum SPF30 protection. Key Ingredients of Dermalogica Solar Defense Booster Spf30 Avobenzone, Octinoxate, Octisalate and Oxybenzone: chemical sunscreens that provide optimum UVA and UVB protection. Vitis Vinifera (Grape) Seed and Camellia Sinensis (Green Tea): soothing botanical extracts that provide anti-enzyme and antioxidant protection. Magnesium Ascorbyl Phosphate (Vitamin C) and Tocopherol (Vitamin E): antioxidants that improve skin smoothness and softness, and help control damage caused by free radicals.