protects the skin from UVA and UVB rays prepares the skin for sun exposure prevents the onset of allergic reactions to the sun does not cause allergic reactions acts immediately after application prevents irregular skin pigmentation acts preventively against skin aging Directions for use: Shake well before use. Apply the product about 20 minutes before exposing the skin to the sun. Repeat as needed, especially after bathing, sweating, or drying with a towel. Do not expose young children to direct sunlight. Do not stay in the sun too long, even if you have used sun protection products.