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SPF

| [ˈes, pē, ef] |

Categories:
Protection and Prevention

SPF Skincare Benefits:
Photoprotection

SPF or Sun Protection Factor represents a product’s ability to reflect or absorb UV radiation in lieu of the skin. It is a numerical value designated to a product that represents its ability to delay sun-induced burns and skin damage. Ultimately, the higher the SPF value, the better a product is at providing protection against ultraviolet B (UVB) rays- the primary cause of sunburns. As accepted by the FDA, SPF is the ratio of the MED (Minimal Erythema Dose) with the product to the MED without the product, and can be represented with the following equation:

SPF = Protected MED/ Final unprotected MED

The benefits of utilizing daily SPF protection are immeasurable. Studies advise consumers to use sunscreen products with a minimal SPF of 30. This will most effectively help to reduce UV exposure as well as signs of aging (i.e, fine lines and wrinkles). 1

  1. Osterwalder, U. et al. Global state of sunscreens. Photodermatology, photoimmunology & photomedicine 30.2-3, 62-80 (2014)