Thin, weakened hair needs more than a single product, it needs a full routine. The Kérastase Ultimate Hair Strengthening Duo pairs the Genesis Bain Hydra-Fortifiant Shampoo with the Genesis Reconstituant Hair Mask, so every wash strengthens hair from root to end.
Why you will love this Genesis duo
Both formulas are built around edelweiss native cells and ginger root, ingredients chosen to reinforce hair fibres and calm an oily, unbalanced scalp. The shampoo cleanses and controls oil while the mask deep-conditions, so the routine addresses both scalp and lengths.
- Strengthens hair fibres and reduces breakage
- Controls oil at the scalp with the Bain Hydra-Fortifiant shampoo
- Deep-conditions and shields hair with the Reconstituant mask
- Enriched with edelweiss native cells and ginger root extract
- Helps preserve hair’s natural collagen
- Delivers long-lasting shine and softness
- Complete two-step routine for fine, weakened hair
What it does
The shampoo strengthens hair fibres while balancing oil at the roots, then the mask follows through with rich conditioning agents that nourish, hydrate and shield lengths from environmental stress, together cutting down on breakage across the whole routine.
Who it is for
Anyone with thin or weakened hair prone to breakage, especially with an oily, unbalanced scalp that needs both control and repair.
How to use it
- Apply the Bain Hydra-Fortifiant shampoo to wet hair, massage and rinse thoroughly
- Follow with the Reconstituant mask on damp hair
- Leave the mask on for a few minutes, then rinse well
- Use as your regular two-step routine for best results
Key details
- Brand: Kérastase (France)
- Product type: shampoo and mask strengthening duo
- Best for: thin, weakened hair with an oily, unbalanced scalp
- Key ingredients: edelweiss native cells, ginger root extract
- Set contents: Genesis Bain Hydra-Fortifiant Shampoo 250ml, Genesis Reconstituant Hair Mask 200ml
- Delivery: available in Cairo and across Egypt with cash on delivery
Frequently asked questions
Is this duo suitable for an oily scalp?
Yes, the Bain Hydra-Fortifiant shampoo is formulated to control oil at the scalp while the mask focuses conditioning on the lengths and ends.
Do I use the shampoo and mask together every wash?
Use the shampoo every wash, and follow with the mask as your conditioning step for a complete strengthening routine.
Size
Set of 2: Bain Hydra-Fortifiant Shampoo 250ml and Reconstituant Hair Mask 200ml.








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