“I love Skinceuticals’ serums,” Stewart says. “They have one that’s for stressed-out skin, one for your pores if you’re breaking out, and then the preventative one for problematic skin. I use a few of them.

Trust me you’ll cry, but then your eyes are so clear and bright after.

She also keeps Moroccanoil’s Treatment on hand. “My ends get mad dry.”

It’s a lifesaver.

“Aquaphor is the most hardcore moisturizer,” she says. “You can even use it for tattoo care.”

Stewart won’t leave the house without Burt’s Bees Lip Balm.

Stewart fills in her brows with Anastasia’s Perfect Brow Pencil.

And her mascara of choice? “Right now I’m using one from Bare Essentials.”

I’ve been using BareMinerals’ Tinted Moisturizer; it’s the lightest one I’ve found.

“I don’t ever use foundation,” Stewart says. She is, however, an expert on tinted moisturizer. In her makeup bag you’ll find her mainstay—M.A.C.’s Studio Moisture Tint SPF 15—as well as her latest favorite.

My biggest thing is to keep my face hydrated and healthy with a lot of moisturizer. I use creams from Dermalogica and Dr. Hauschka.

My biggest thing is to keep my face hydrated and healthy with a lot of moisturizer. I use creams from Dermalogica and Dr. Hauschka.