fool proof [SEP] i love this product i usually buy an assortment of sun products to have on hand when people come over to swim sunscreen is often an item people forget to bring i have never been more pleased that with this product of the infants that were over multiple times not once did any of them even get a slight sun burn two have very sensitive skin and did not have any negative reactions to this sunscreenthe moms and i were all happy and i will continue to buy this product from here on out it had the best ingredients of everything i have looked at and it worked perfectly