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Liss Keratin Smoothing Treatment

The semi-permanent straightening treatment, designed to eliminate frizz for up to 2-3 months and suitable for all hair types. Goodbye Frizz!

Discover the products

Our (not so) secret formula

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Glyoxylic acid

A straightening active ingredient that does not break the keratin fibers but reshapes them, giving the hair a smooth appearance with a semi-permanent effect.
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Kera Nutritive Complex

A unique complex containing 3 active ingredients that take care of the cosmetic hair: Keratin, Murumuru Butter and Babassu Oil, Aloetrix.

Liss Keratin Smoothing Treatment

  • 2/3 months Goodbye Frizz!
    Smooth and tamed hair with no frizzy effect up to 2-3 months.
  • For all Hair types
    The treatment is suitable for all hair types with quick and easy application.
  • Safe For the professional
    and the client
    The treatment is completely safe for professional and home use.

Our support, always by your side

Master every product of this line designed to eliminate frizz for up to 2-3 months with our step-by-step brochure. If you’re excited to learn even more, head to our Education section for a wide range of videos about the Yellow Professional world.

Download the brochure Discover our Education

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