If you thought Khloe Kardashian only relied on pricey treatments to keep her skin in check, think again. The 41-year-old's secret to anti-aging is the one thing that we can all get our hands on: a derm-loved sunscreen. Even the reality star and businesswoman's sister, Kourtney, is a fan of the pick. In a "New Mom Beauty Routine" video with Vogue, Kardashian revealed that the EltaMD UV Clear Face Sunscreen SPF 46 is a mainstay in her daily routine. She said she applies it to the face, hands, neck and chest - anywhere we "we all show our age.