Dermalogica Waterblock Solar Spray SPF30 (4.2 fl oz) Quickly mist on very water resistant sunscreen for instant full-spectrum protection. Formulated with the latest sunscreen technology, this alcohol-free spray absorbs rapidly to provide an invisible full-body shield against damaging UVA and UVB rays. Vitamins C and E help protect against environmental assaults while Vitamin A and organic silicones condition skin. Contains no artificial fragrance or color. How It Works: *Uses the latest technology in UVA and UVB sunscreens. *Antioxidant vitamins C and E protect against UV-induced free radical damage. *Retinyl Palmitate (Vitamin A) helps normalize skin. Directions: Spritz onto skin and hair, spreading evenly, around 30 minutes prior to sun exposure. Allow five minutes for the moisturizing formula to fully absorb into the skin. Reapply after prolonged swimming or exercising.