Coppertone Kids Colorblock lotion SPF 40 is a unique disappearing purple colored sunblock, designed especially for making the job of application and coverage easier for parents and fun for kids. Just apply evenly, and once satisfied with the coverage, rub it in. No more missed spots. This formula provides a full 6 hours of protection in and out of the water, and keep kids protected from the sun's burning UVA and UVB rays. It's hypoallergenic and PABA-free. The color is safe for skin and can be cleaned from most clothes. Avoid contact with silk, nylon and carpets.