That puts you 12 to 15 times closer to wrinkles, dark spots, thick leathery skin and cancer. Stay out of tanning beds, period. If you “just do it to get a base tan,” know this: A base tan gives you the equivalent of an SPF of about 3, which won’t protect you from sunburn—or lower your skin cancer risk.
MORE: 3 Weird Places You Have Sun Damage (And How to Fix It)