Doctor Dawn Davis says most Nebraskans don’t use nearly enough and may be at serious risk for skin cancer.
“The average person, in studies, only applies approximately one-third of the sunscreen that is recommended by volume,” Davis says. “So, if you’re wearing an SPF 15, unfortunately, you’re only getting an SPF of 5 because of the way that you apply it.”
Davis says if a shot glass full of sunscreen sounds like a lot, you’re probably not using enough.
“A shot glass full of sunscreen should only cover your face, your neck and the backs of your two hands,” Davis says. “The average sunscreen bottle should only last you four to five full-body applications.”
Besides using the proper amount of sunscreen, Davis says it’s important to re-apply every two hours, even sooner if you’re in the water or are sweating.
No matter what the bottle says, Davis notes, sunscreen is water resistant, not water-proof.