Did you know that anything past 30 spf protection does not provide any more protection but adds dollars to the manufacture's pocketbooks. Thats why our sun block made with natural green tea botanicals, zinc oxide is safe for the whole family to use, does not hurt the oceans, and is nano particle that hydrates the with soothing butters and oils but does not leave your skin slimy or with the white film, and at maxium proof of 30 SPF dosent hurt your pocket book either.