Cancer Council Kids SPF50+ Sunscreen Roll On is high protection, fragrance free sunscreen specially designed for delicate skin. Ideal for kids of all ages. It's ideal for people on the go! Cancer Council Kids SPF50+ Sunscreen is 4 hours water resistant. Sun damage to skin exposed to UV radiation, especially in outdoors, causes premature skin ageing and skin cancers. An SPF 50+ Sunscreen can reduce sunburning UV light rays reaching your skin by 50% when compared to an SPF 30+ sunscreen, if used correctly. Directions: Children- Apply sunscreen liberally and evenly to dry skin at least 15-20 minutes before going out into the sun. Re-apply every 2 hours. On an average sized child it is recommended to apply at least 18 mL for one full body application. This is equivalent to a teaspoon of sunscreen to each arm, leg, front of the body, back of the body and face ( including ears and neck).