What is SPF?

SPF is a number scale which refer to the sunblock`s ability to screen damaging UV rays.The higher the number,the better the coverage and the fairer you are,the faster you`ll burn.For example if you take about 10 minutes to turn red in the sun,an SPF 15 sunscreen translates to 10times 5=150 minutes of protection. So the next time you go tanning remember to choosre the correct sunblock