A new study has found a dramatic increase in skin cancer among women under the age of 40. Though the lifetime risk of melanoma has traditionally been higher for males, “we found that women in their 20s and 30s today are 2.3 times more likely than men to be diagnosed with it,” says Mayo Clinic dermatologic surgeon and lead researcher Jerry Brewer. Even more alarming, today’s women in that age group are eight times more likely to develop skin cancer than their counterparts in the 70s. Why? Researchers point to severe childhood sunburns and tanning beds. So if you crave a golden complexion, click here for the three best self-tanners—and you’ll have it made in the shade!