3 Things to Know About How Much Sunscreen to Use

Use a full shot glass of sunscreen for your whole body That is roughly one ounce or 30ml. It works out to about a palmful of lotion or a generous teaspoon per limb.

Using less sunscreen lowers the SPF protection Most people use less than half the recommended amount. Your SPF 50 becomes SPF 20 if you apply too thinly.

Apply indoors and reapply every two hours Put sunscreen on before getting dressed and let it dry for 15 minutes. Reapply every two hours or after swimming.