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The OUAI to healthy hair starts with the scalp. This skincare-inspired serum helps balance and hydrate your scalp to create an ideal environment for hair to thrive. Drop OUAI every day on your scalp for best results.

Save on Scalp Serum with a Ulta Beauty promo code

Checkmate is a savings app with over one million users that have saved $$$ on brands like Ulta Beauty.

The Checkmate extension automatically applies Ulta Beauty discount codes, Ulta Beauty coupons and more to give you discounts on products like Scalp Serum.