Kerastase Genesis Hair Serum - Daily Strengthening Treatment for Weak, Damaged Hair | Nourishes & Reinforces | Silicone-Free

$61.95 $102.99

Kerastase Genesis Hair Serum - Daily Strengthening Treatment for Weak, Damaged Hair | Nourishes & Reinforces | Silicone-Free

$61.95 $102.99

Fortifiant Hair Serum: A daily strengthening serum designed to prevent hair fall due to breakage from brushing. Enriched with ginger and caffeine treatment improves resistance in weak brittle hair
Benefit: After use, 97% experience less hair fall due to breakage from brushing. Serum fortifies & strengthens to create nourished & healthy hair. Lightweight formula that will not leave residue
Additional Benefits: Contains Arginine, an ingredient that helps stimulate healthy hair by supporting strong blood ﬂow to the root of hair cells. Can be targeted to areas with less density
Suggested Use: Use morning or evening for a minimum of 6 weeks. Apply 4 doses on dry or towel-dried scalp section by section. Massage to promote distribution and absorption into hair. Do not rinse.
Genesis Collection: Use with Bain Nutri-Fortifiant Shampoo, Fondant Renforcateur Conditioner, and Defense Thermique Primer for nourished healthy-looking hair with reduced breakage. Ideal for normal to dry weakened hair.

Fortify Hair Prone To Falling

Genesis

Our hair care collection that treats hair fall due to hair breakage from brushing. The Genesis collection is a dual action fortifying system professionally formulated to strengthen hair and reduce hair breakage.

Expert Formulas

Powered by Edelweiss Native Cells and Ginger Root

Edelweiss Native Cells & Ginger Root: Detangle, moisturize, and increase strength and softness.
Fusio-Dose

Professional In-Salon Treatment

Instant Transformation, Infinite Possibilities.
In-Salon Service

Your appointment

Make an appointment in your Kérastase salon for a personalized hair diagnosis.

Discover Genesis

Nutri-Fortifiant Shampoo

Gently Cleanses Scalp and Hair

Intensely Moisturizes and Easily Detangles

Strengthens Hair Weakened by Heat Damage and Brushing

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Hydra-Fortifiant Shampoo

Gently Cleanses Scalp and Hair to Remove Excess Buildup

Strengthens Hair Weakened by Heat Damage and Brushing

Nourishes and Easily Detangles Hair

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Renforcateur Conditioner

Intensely Moisturizes and Adds Body

Strengthens Hair Weakened by Heat Damage and Brushing

Easily Detangles and Prevents Split Ends

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Reconstituant Hair Mask

Intensely Nourishes and Hydrates Hair

Strengthens Hair Weakened by Heat Damage and Brushing

Smooths and Easily Detangles

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Defense Thermique Hair Serum

Protects Against Heat Styling

Delivers Up to 24 Hours of Frizz Protection

Strengthens Hair Weakened from Brushing and Over-Styling

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Fortifiant Hair Serum

Strengthens Hair Weakened by Heat and Brushing

Hydrates Hair and Adds Shine

Has a Lightweight, Non-Greasy Finish

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Will this make my roots greasy?

The Serum Fortifiant is a silicone-free, lightweight formula designed to absorb quickly into the scalp without leaving residue or oiliness.
How much should I use per application?

Fill the pipette to the black dosage line. This equals one dose. We recommend using 4 doses to cover the entire scalp.
Can I use this on dry hair?

Yes, the serum can be applied to both towel-dried hair after washing or dry hair on non-wash days.

Explore the Genesis Collection

	Renforcateur Conditioner	Nutri-Fortifiant Shampoo	Hydra-Fortifiant Shampoo	Reconstituant Hair Mask	Defense Thermique Serum	Fortifiant Serum
Customer Reviews	1,862	6,331	2,698	820	5,272	1,968
Price	$50.00	$46.00	$46.00	$68.00	$50.00	$64.00
Hair Type	Hair prone to breakage & fall	Normal to dry, weak hair	Normal to oily, weak hair	Hair prone to breakage & fall	Hair prone to breakage & fall	Hair prone to breakage & fall
Purpose	Light, fortifying conditioner	Fortifying shampoo	Delicate fortifying shampoo	Intense fortifying hair mask	Fortifying heat protectant	Daily fortifying serum
Benefit	Immediate strength & softness	Intensely nourish & detangle	Gentles cleanse & strengthen	Smooth, detangle, & strengthen	Adds shine & prevents frizz	Strengthen hair & reduce fall
Key Ingredient	Ginger root	Ginger root	Ginger root	Ginger root	Ginger root	Ginger root
Usage	Can be used daily	Can be used daily	Can be used daily	Use once a week	Use when blow drying & styling	Can be used daily