Growing your hair long takes patience, and Kérastase Résistance Extentioniste Length Strengthening Shampoo is made to protect that progress. This strengthening formula works diligently to fortify hair, reducing breakage and promoting resilience for improved growth potential.
Why you will love this Extentioniste shampoo
Bain Extentioniste rebuilds and strengthens each hair fibre with every wash, helping to repair the look of damaged hair while protecting the fibre from external aggressors. It lathers into a rich, cleansing foam that leaves the scalp feeling stimulated and refreshed.
- Rebuilds and strengthens each hair fibre
- Helps reduce breakage for improved length retention
- Helps repair the look of damaged hair
- Protects the hair fibre from external aggressors
- Stimulates the scalp with every wash
- Rich, thorough cleanse that rinses out easily
- Pairs well with a repairing conditioner and mask
What it does
As it lathers, the shampoo’s strengthening actives work along the hair fibre to reinforce weak points, while cleansing the scalp and lengths of everyday buildup. The result is hair that feels more resilient wash after wash, giving length more of a chance to grow without breaking off.
Who it is for
Anyone growing their hair long, or anyone whose lengths are prone to breakage and need extra fortification as part of their regular wash routine.
How to use it
- Apply a chestnut-sized amount to wet hair
- Massage through lengths and ends until lathered
- Rinse thoroughly
- Follow with a repairing conditioner and hair mask
Key details
- Brand: Kérastase (France)
- Product type: length strengthening shampoo
- Best for: hair being grown long, prone to breakage
- Key benefit: rebuilds and strengthens each hair fibre
- Pairs with: Résistance repairing conditioner and mask
- Delivery: available in Cairo and across Egypt with cash on delivery
Frequently asked questions
Is Kérastase Résistance Extentioniste Shampoo good for hair growth?
It’s formulated to strengthen hair and reduce breakage, which helps protect length retention and supports the conditions for healthier-looking growth.
What should I use after this shampoo?
Follow with a repairing conditioner and hair mask, as recommended, to continue strengthening and protecting lengths.
Does this shampoo help with scalp health?
Yes, massaging it through the lengths and roots stimulates the scalp while cleansing hair thoroughly.
Size
250 ml bottle.











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