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Plus, the Saint Jane x Favorite Daughter lip oil duo they created.
Ahead, everything that Erin and Sara Foster puts on their face.
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Sara:Im obsessed with my skin more than any other organ in my body.
I am a firm believer in taking care of the inside first, outside second.
My main focus is plumping, not stripping, so I lean into products that build instead of strip.
@favorite.daughter/ Instagram
S:Our mom taught us that our skin starts at our chest.
At night I go with heavy moisture cream and some retinol every few days.
S:I have extreme routines that differ.
@favorite.daughter/ Instagram
Vitamin C in the morning, never at night.
Retinol at night, never in the morning.
Sunscreen in the morning.
But overall, cleansing and toning with an essence is a step I will never skip at night.
I thought I could simply not leave the house without eyelinerthat I looked weird without it.
I look back at the photos and have to laugh at them now.
Im much less self-conscious these days, thank god.
S:Ive definitely added more active ingredients and am more aware of those as I’ve gotten older.
The Product That Made the Biggest Difference
E:Exponent Beauty Retinol.
S:Your face starts in between your boobs.
Everything you do up there, you do down there, so start your skincare there.
Their Most-Used Products
E:Osea Advanced Protection Cream.
S:Allies of Skin Hydrating Cleanser.
Saint Jane makes an incredible oneThe Luxury Sun Ritual Pore Smoothing Face Sunscreen SPF 30is a must-have.
Their Latest Skincare Obsession
Erin:All the new Exponent serums are my current obsession.
S:TheLyma Laser.
