every single day, even in the winter, they really mean it. And no, even if your makeup products boast SPF protection, it doesn’t count as a sun shield of sorts.Makeup may make you look flawless, but the is what helps protect your skin from the sun's harmful UV rays, which can cause premature aging, wrinkles, and even skin cancer. “Sunscreen under makeup is essential, but reapplication is crucial, because sun protection breaks down over time, especially with sweat and water exposure, says Annabelle Garcia, MD, a board-certified dermatologist at in San Antonio, Texas.
