The stated sunscreen SPF values are correct only if 2 μL of sunscreen is applied per square cm of exposed skin. This translates into about 28 mL (1 oz) to cover the whole body of an adult male, which is much more than many people use in practice.
A recent study just found that 43 percent of sunscreens failed…
A recent study just found that 43 percent of sunscreens failed to meet the SPF claim on their labels. The Banana Boat Kids Tear-Free, Sting-Free SPF 50 lotion and CVS Kids Sun Lotion SPF 50 both tested at an SPF 8.