Let's be real, Kourtney Kardashian is the most natural-looking of the Kardashian sisters.
If she has had some work done, it doesn't show!
That's reason enough to want to know all of her beauty secrets, and apparently satin pillowcases have been a huge help in maintaining the 37-year-old's youthful glow.
"I always sleep with a satin pillowcase and I have done for like 20 years. Khloe's Godmother, who passed away a long time ago, used to tell us that we should always sleep with a satin pillowcase as it's better for your skin and hair, so I have done ever since."
The mom of three also recalled learning about makeup for the first time: