Sunscreen
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•Last Updated: August 28, 2025
Sunscreen is a substance (usually a cream or lotion) that protects the skin from ultraviolet rays emitted from the sun.
Sunscreen is a substance (usually a cream or lotion) that protects the skin from ultraviolet rays emitted from the sun.
Sunscreen is most often used for Skin, Hair, & Nails. The Examine Database covers Cold Sores.
In this meta-analysis of 7 prospective observational studies in 1,495 adults, sunscreen use was associated with small, inconsistent reductions in vitamin D levels.