The Skin Cancer Foundation

To earn the Seal of Recommendation, a manufacturer must prove that its product sufficiently and safely "aids in the prevention of sun-induced damage to the skin."

The requirements include:

A sun protection factor (SPF) of 15 or greater
Validation of the SPF number by testing on 20 people
Acceptable test results for phototoxic reactions and contact irritation
Substantiation for any claims that a sunscreen is water- or sweat-resistant
Clothing must have an ultraviolet protection factor (UPF) of 30 or greater

Seal of Recommendation

If you want to be assured that a sunscreen is effective, look for The Skin Cancer Foundation's Seal of Recommendation on the label.

Download a complete list of Seal products.

Skin Cancer Foundation

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