difference between spf 30 and 50 - senam membakar lemak 30 menit
$800.00
SPF stands for ‘sun protection factor’ and indicates the level of protection a product offers from the sun’s harmful UVB rays. weton 30 april 1995 When we look at the difference between SPF levels, SPF 30 and SPF 50 for example, this comes down to the percentage of the sun’s UVB rays that the product can block