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Smooth Shampoo


Calms, cleanses moisturizes and wins awards. More

Calms, cleanses moisturizes and wins awards.


Calms, cleanses moisturizes and wins awards.


A hydrating cleanser infused with our unique Smart Technology complex that calms frizz, cleanses strands, and replenishes moisture—leaving hair mega-smooth.


Mercer Street: Italian Lemon, Turkish Rose, Jasmine Sambac, Iris, Lily, and White Musk.


  • Allure's Best of Beauty: Frizzy Hair
  • Real Simple's Road Test Winners: Best Frizz Fighters
  • Women's Health Beauty Award Winners: Every Social Moment

Key Ingredients

  • OUAI Smart Technology Complex
  • Tamarind Seed Extract
  • Smart Keratin
  • Amino Acid Blend
View Full Ingredients List

Most sulfate-free shampoos don't have that dreamy, soft lather. That’s not the case with this one.


The award winning shampoo that lives up to its hype.

Smooth Shampoo #Yourouai


  • What Shampoo is right for my hair type?
  • Take the OUAI Hair Consult to generate a custom hair-prescription that outlines the exact products your hair needs for maximum amazing-ness.
  • Are the Shampoos safe to use on color-treated hair?
  • Yes. All of our products are safe for color-treated hair.

Posts About Smooth Shampoo