Kérastase

Bain Extentioniste

Length strengthening shampoo for slow growing, damaged lengths.

A great booster for longer hair!
Tony Ibrahim - Hair Expert
A great shampoo for weakened, thinning ends!
Victor Keyrouz - Hair Expert

$26.90


A strengthening shampoo that boosts strong hair growth starting at the roots. Weakened hair prone to breakage is strengthened as its internal structure is rebuilt and sealed to provide greater protection throughout its growth. This purifying shampoo is enriched with Creatine R, an active complex designed to boost resilience and elasticity, and Taurine, an amino acid that promotes a healthy scalp. Hair is thoroughly cleansed to reach its ideal healthy length in perfect condition.

Length strengthening shampoo for slow growing, damaged lengths. Contains Creatine R™ technology, boasting a powerful fusion of Creatine and Ceramides + Taurine, an amino acid with a protective effect on the hair fiber to help ensure visibly healthy and stimulated scalp environment.

  • Increases elasticity & strength from root to tip
  • Rebuilds natural strength of the hair fiber
  • Purifies and stimulates a healthy scalp environnement
  • Provides shine to lengths and ends
  • Prepares the hair for deep conditioning
  • Gently perfumes the hair for a sensorial cleanse

Apply a quarter size amount of Bain Extentioniste shampoo to wet hair. Massage through lengths and ends until lathered and rinse thoroughly.

Key Ingredients

  • Creatine R is an exclusive complex composed by Creatine+Ceramide: Amino-acid implied on fiber’s internal structure reinforcement + Lipids responsible for surface recovery.
  • As a complement with a targeted action, the formula is enriched with Taurine: an aminoacid with protective effect on the hair. It helps ensuring a healthy and stimulated scalp environnement.

Full Ingredients List
Aqua / Water - Sodium Laureth Sulfate - Citric Acid - Taurine - Cocamidopropyl Betaine - Sodium Hydroxide - Hexylene Glycol - Sodium Chloride - Polyquaternium-10 - Sodium Benzoate - Salicylic Acid - Amyl Cinnamal - Hexyl Cinnamal - Benzyl Alcohol - Linalool - Hydroxycitronellal - Citronellol - Limonene - Benzyl Cinnamate - Creatine - 2-Oleamido-1,3-Octadecanediol - Sodium Acetate - Isopropyl Alcohol - Parfum / Fragrance

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Customer Reviews

4.7 Based on 16 Reviews
5 ★
81% 
13
4 ★
6% 
1
3 ★
13% 
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2 ★
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Filter Reviews:
NN
08/05/2019
Nasma Nizameddin

Such a great product really felt the difference in hair length when i finished the bottle.i advice using it with the conditioner

FA
07/17/2019
Farah Al Halabi

The shampoo worked well on my roots but it dried my hair ends , but using both mask and shampoo gave a better result.

NA
07/17/2019
Nour Awad

Great shampoo (in combination with its conditioner)

Very happy with this shampoo. I have long hair and feel it strengthened since I started using my Kerastase extentioniste routine. Smells great too!

AA
07/16/2019
Alia Al hajj

Love it ❤️

I was given the opportunity to try the Kerastase Resistance Bain Extentioniste shampoo and conditioner, for I have a wavy curly a bit dry hair after all the mess that I have done it my hair from cutitng, coloring, crystal, keratin and hair straightener. After trying the product it helped my hair nourish, have more volume and it even gave it strength, no more split ends and stray hair, even the itchiness of my scalp calmed down. I noticed that my hair became more fresh and silky, it gave my hair the boost and life it needed. Honestly it\'s my first time with Ounousa reviews and for sure it won\'t be my last time, for their professionalism and customer care services. I highly recommend the shampoo and the conditioner, believe me you will see the difference from the first wash.

SA
07/16/2019
Safaa Atoui

Kerastase shampoo

I have oily roots but it didn't change my hair much, it was very normal The masque gave me a way better effect, I really liked it