Masque Thérapiste

Masque for thick over-processed hair

Masque Thérapiste

The rich, reconstructive, velvety texture of this masque fuses onto the hair to fill it with reparative complexes that restore the fiber. Comforted and revitalized, the fiber feels almost virginally pure. Through it's rich buttery texture offering a sensation of comfort, thick hair looks livelier and more vibrant.

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Masque Thérapiste

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Rated 4.2 out of 5 by 5 reviewers.
Rated 3 out of 5 by Appears to have stopped working The first 3 times I used this product, it made my long hair thicker, silky and shiny. Now I have used it 5-6 times and am not impressed. My hair is lanky, straight, not bouncy at all. Perhaps I am using it too often? If I cut-back and only use it once every two weeks, I will re-visit this review and re-confirm. September 28, 2015
Rated 5 out of 5 by Saviour for lightened hair I have coarse, curly, thick, dry hair that's also damaged from lightening. Breakage was getting out of control and I didn't want to give up lightening my hair so I bought the therapiste line (minus the serum), and its completely transformed my hair - breakage is a thing of the past. I couldn't be happier with a product. I use weekly with the pretreat from the same line as well as the bain. August 26, 2015
Rated 5 out of 5 by I love this product! The smell is amazing, the texture is so thick and creamy and coats every single hair fibre helping to rebuild and repair. I use it once a week for an ultimate hair treatment. The thickest hair mask Kerastase has created to date June 22, 2015
  • 2016-05-26 T16:17:57.150-05:00
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The Masque Thérapiste is a unique butter texture masque that works at the very core of the hair.
FOR WHO? For very damaged and over-processed hair (erosion level 3-4). Dedicated to thick hair.
WHAT DOES IT DO ? • The hair is deeply repaired as its core. • The hair fiber regains its strength and elasticity. • Hair is toned and revitalized


Apply to washed and towel-dried hair applying the product section by section throughout the length of the hair.
Massage onto lengths and ends.
Leave in for 5 minutes, emulsify and rinse thoroughly.

For a deeper ritual:

Before applying the shampoo Bain Thérapiste, use the Soin Premier Thérapiste which plays the role of a smart starter. Formulated to bind the hair in the manner of a protective gauze, it works upstream to infuse the fiber with softness so it is protected during the rest of the cleansing routine.


FIBRA-KAPTM: compensate for the missing KAPs and reactive their synthesis.
• SP 94, supplies the follicle with the energy necessary to activate KAPs synthesis
• 6 amino-acids characterized by their capacity to attach themselves to damaged areas of the hair
• 1 wheat protein redivative helps restore uniformity and smoothness.
Sève de résurrection: known for its regenerating power