Quote:Chances are, you’re not wearing enough sunscreen—and if that’s the case, you’re not alone. A 2014 study showed that most folks typically use a quarter to half as much sunscreen as they should be using to meet the advertised sun protection factor (SPF). To get the full protection of the SPF listed on the bottle, you need to use 2 milligrams per square centimeter of skin. This amounts to about a shot glass’s worth, or 1 ounce, of sunscreen for the average-size adult’s near-naked body.
Stop Using So Much Dish Soap (And Other Portion Size Advice)
Good to know.