Uvisport Lipscreen provides protection from the sun to SPF 50 level. It is colourless and contains vitamin E and tea tree oil to sooth chapped lips, repair any previous lip damage and is also said to prevent cold sores from developing. Uvisport Lipscreen is provided with a neck lanyard, so that it’s readily available while you’re sailing. The cap of the tube changes colour according to UVA levels, giving you a warning about when to use the Lipscreen