For tanning the skin use spf 30 or more
Aug 07, 2012
Your skin screams, “sunscreen”: To prevent the unwanted tanning of skin while in sun, wear a sunscreen of 30 SPF or higher and nothing less than that. A sun protection of 30 SPF keeps out almost 97 % of incoming UVB rays. Don’t forget to reapply after every two hours.
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