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This original strengthening treatment is available from Havenly Cosmetics in Egypt. The Kérastase Résistance Fondant Extentioniste is a creamy, lightweight conditioner specifically designed to reinforce hair fiber, detangle lengths, and seal split ends in long, damaged, or slow-growing hair.
Strengthens and Repairs: Repairs the internal hair fiber to actively prevent breakage and split ends.
Effective Detangling: Provides easy, knot-free combing to protect hair from damage during styling.
Improves Texture: Leaves hair feeling soft, shiny, and silky from root to tip.
Ideal Hair Types: Specifically formulated for fine to medium, long, brittle, or sensitized hair.
Creatine R: An exclusive complex of Creatine and Ceramide that reinforces the internal structure of the hair fiber.
Maleic Acid: Contains small particles that penetrate the fiber to strengthen and seal cuticles, coating the hair evenly.
Preparation: Apply a small, quarter-sized amount to washed and towel-dried hair.
Application: Massage the conditioner into the lengths and ends, being careful to avoid the roots.
Wait: Leave the product on for 2–3 minutes to allow deep penetration.
Rinse: Rinse thoroughly with water.
Pro Tip: For the best results, use in combination with the Bain Extentioniste shampoo.

Hair Growth Support: Perfect for those trying to grow their hair longer by reducing the need for frequent trims due to breakage.
Weightless Strength: Provides intense repair without weighing down fine or medium hair textures.
Guaranteed Originality: This product is 100% original and authentic.
Exclusive Availability: The Kérastase Résistance Fondant Extentioniste is available for purchase now from Havenly Cosmetics in Egypt.
Is this conditioner heavy on fine hair?
No, it is a lightweight fondant formula designed to provide strength without sacrificing volume.
Can I use it on my scalp?
It is recommended to apply this specifically to the lengths and ends to avoid greasiness at the roots.
How often should I use it?
It can be used after every wash as part of your regular hair care routine for long-term strengthening.
Please note we don’t offer returns and we always make sure to get your products delivered safe and sound, from our haven to yours! However, if the item you receive is damaged/doesn’t match what you have previously ordered, then we would love the chance to make it right. Eligible items must be received unused, unopened, and undamaged within less than 1 day from the day you received your order. Returns that do not meet our policy will be sent back to you without a refund.
We understand if you change your mind (impulsive buying is a thing). This could play out in different ways:
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