Moisturising sun lotion spf 20 medium br easily absorbed for immediate and effective water resistant protection br long lasting moisturisation with a light, non sticky texture br uva uvb protection system eu compliant br skin compatibility dermatologically approved br star rating superior br br br this moisturising spf 20 sun lotion is ideal for people with skin which has a moderate tolerance to the sun. Its fast acting formula with the skin's own hydramine provides long lasting moisturisation with a non sticky texture to leave skin smooth and radiant. It works to help reduce the risk of sun allergies and because it's easily absorbed, it offers immediate protection against harmful uv rays. It's also dermatologically approved. For added reassurance, it's not only water resistant but also guards against both uva and uvb radiation with spf 20 and superior four star uva protection. Br br exposure to the sun's uva and uvb radiation is the main cause of skin cancer and also leads to premature ageing, so it is vital to use adequate protection. Sunscreens do not provide 100% protection from uv rays, they only allow a reduced number of them through. Spf stands for sun protection factor and measures the amount of uvb radiation that is neutralised by a sunscreen. As a rough guide, the amount of time you can spend in the sun without burning can be multiplied by the spf of the sunscreen. For example, if you normally start to burn after 10 minutes of sun exposure, this is increased to 200 minutes when using an spf 20 sunscreen if applied generously and frequently br