Water-resistant sunscreens protect you while swimming and sweating, which is why you’ll want to grab one of these ...

Water-resistant is the lowest level of protection ... divings, and diving (from a board) as unsuitable. There’s also no IP-rating, which means dust-ingress isn’t protected against.

After this, a layer of ultra-thin polymer nanocoating is applied to the phone’s circuit board to help repel water. Nevertheless, a phone’s water resistance will still decrease with time as ...

Look for sunscreens labeled as “water-resistant,” which are tested to last either 40 or 80 minutes in water. This will be noted on the SPF’s packaging and gives you a clue to how often you ...