"I love the Moroccanoil Intense Hydrating Mask. I am diligent about conditioning my hair. It's one of my best assets! For my skin, I swear by my facialist Mamie McDonald in New York, and I dab on my Iman Second to None Cover Cream concealer [$13] on the days I don't wear foundation."
Try: Moroccanoil Intense Hydrating Mask, $33, moroccanoil.com. Iman Second to None Cover Cream, $13, ulta.com.
Here, insiders reveal their diet, hair and skin tricks. By Jessica Prince