What is SPF?SPF, or Sun Protection Factor, is a measure of how well a sunscreen will protect skin from UVA and UVB rays, the kind of radiation that causes sunburn, damages skin, and can contribute to skin cancer. "The latest development in UV protection is that it is more than just sun screen," says Dr Tom Mammone, Vice President Skin Physiology and Pharmacology Clinique. "The topical use of antioxidants and anti-inflammatories are boosting SPF values and help protect skin," advises Mammone. How does SPF work? "There are two types of sun protection filters - chemical filters and physical filters," advises dermatologist Dr Emma Wedgeworth.
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