Checkmate is a savings app with over one million users that have saved $$$ on brands like MASC.
The Checkmate extension automatically applies MASC discount codes, MASC coupons and more to give you discounts on products like Salt & Stone SPF 30 Lip Balm (4.3g).
Checkmate users have also been loving these products from MASC.
Users have been saving products like this to their collections.