WATER TIGHT: do water resistance claims hold?

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In 2002, the FDA - the body that governs the CLAIMS made by cosmetics in the US - required suncare companies to eliminate the use of the word 'WATERPROOF' as a valid claim for skin/body care and cosmetics. Where sunscreens go, in truth none can be waterproof because they must always be reapplied if you have been sweating or immersed in water. The only approved terms for use on SUNSCREENS, reflecting studies that prove they have limited ability to stay in place when people are in water or perspiring, are ‘water-resistant’. A product that is water-resistant means the label’s SPF value has been measured after application and up to 40 minutes of water immersion. It must keep the same SPF value to retain the term ‘water resistant’. A sunscreen which is classified as ‘very water resistant’ is one which retains its SPF value after 80 minutes of water immersion. Water resistant sunscreens are formulated differently to regular sunscreens. They use acrylate technology – a plasticized form of holding agent which forms a film over skin – in their formulations, which allows them to hold up IMPRESSIVELY under water. It’s worth investing in one if you plan to do lots of swimming or sailing on a holiday; if not, use regular sunscreen. ..