There is no difference between sunscreen and sunblock. In fact, the FDA is in the process of banning the term "sunblock" because it is misleading. The most any sunscreen can block out is 97% of the rays. (There is no point in even wearing a sunscreen higher than 30.) Your sunscreen must contain (as the active ingredient) avobenzone, titanium dioxide, or zinc oxide or it is NOT protecting you against UVA (skin cancer and wrinkles!) rays. Companies constantly make outrageous claims--but don't believe them until you read the active ingredients. This could literally save your life!!!
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