The Power of Signature Keratin

From our revolutionary keratin treatments to shampoos and conditioners, each product in our collection is powered with proprietary Signature Keratin for stronger, healthier hair.

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  • Multiple closeup images of woman's hair, from short and curly to long

    #1 in Keratin Treatments

    Find your perfect keratin smoothing treatment

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  • Diverse young man holding curly hair wearing a jeans jacket

    New! KCTEXTURE Leave-In Conditioner

    Discover your keratin-enhanced regimen

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What is keratin?

Hair is made up of keratin—this protein makes up the natural structure of hair and directly affects the strength and health of the hair. Keratin also forms the protective shield around the hair, when keratin is optimized it leads to stronger, healthier hair.

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