Introducing our boldest evolution yet: KCRIO

Straighter, Smoother & Shinier Hair

Inspired by the vibrant energy and diversity of Rio de Janeiro, KCRIO Restorative Keratin System was built to thrive in humidity, delivering straighter, sleeker, smoother results with luminous, glass-like shine.

Experience hair that shines as brilliantly as the city that inspired it—effortlessly chic by day, irresistibly sleek by night.

A large KCRIO Restorative Keratin System kit against a white background, surrounding the box are three products

MAXIMUM Sleek

KCRIO celebrates every unique hair fabric and heritage. Designed for all hair types, this powerful keratin treatment thrives in even the most humid climates, transforming frizzy hair into smooth, sleek perfection.

Straighter, Smoother & Shinier Hair

  • You are about to enter an image with a before and after comparison.

    To the left a woman with curly hair, to the right her hair is straight. She has on jeans and a green top in both images.

    Before

    After

  • You are about to enter an image with a before and after comparison.

    The back of a woman with long blonde hair. To the left her hair is puffy, to the right, it's straight.

    Before

    After

  • You are about to enter an image with a before and after comparison.

    Two images of the same woman. To the left her hair is puffy and frizzy, to the right her hair is smooth and straight

    Before

    After
Are you a professional stylist? Get Certified!

Loved by Clients.

  • Healthier, Stronger, Straighter Hair

    Experience powerful straightening and hair that looks sleeker, feels softer, and styles effortlessly—with luminous, glass-like shine.

  • Formulated Without Formaldehyde

    KCRIO features a proprietary blend of Signature Keratin, Creatine and highly potent MuruMuru butter designed to nourish, smooth, strengthen—reviving the hair from the inside out.

  • Long-Lasting Results

    Enjoy same-day styling with zero downtime and results that last up to three months. With cumulative benefits over time, hair becomes healthier and smoother with each treatment.