15% off
The Serums
Checkmate Exclusive: 15% off at Oak Essentials
Checkmate partners with Oak Essentials to get our users exclusive discounts, based on who they are.
Target tone and texture from AM to PM with the only two serums you need—Daily Vitamin C Serum and Nightly Retinol Serum.
Save on The Serums with a Oak Essentials promo code
Checkmate is a savings app with over one million users that have saved $$$ on brands like Oak Essentials.
The Checkmate extension automatically applies Oak Essentials discount codes, Oak Essentials coupons and more to give you discounts on products like The Serums.
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