skincell pro radiation (if you go to the sea, the mountain ...). SPF 6 = low protection SPF 15 = medium protection SPF 30 = high protection SPF 50+ = very high protection You have to select the sunscreen according to its texture, the one you like and facilitate regular application, because you have to reapply every two hours to ensure effectiveness. There are water resistant or tanning formulas to reduce exposure time.
https://www.skincellpro.info/