Best Kerastase Serum of 2026

Last updated on 02/04/2026

Advertising disclosure

Advertising disclosure

Most Relevant

Electronics Home & Kitchen Computers Office Supplies Toys & Games Sports & Fitness

Most Relevant

Kérastase Serum Magic Power Duo

Kérastase Serum Magic Power Duo

Reduces hair-fall from breakage.
Protects against environmental damage.
Strengthens scalp's natural barrier.

Main Highlights

Enriched with Edelweiss Native Cells, Ginger Root & Aminexil, to help reduce the risk of hair-fall due to breakage
Protects against external aggressors
Helps reinforce and preserve the scalps natural protective barrier

Product image 1

Product image 2

Product image 3

Product image 4

Kérastase Serum Magic Power Duo

Reduces hair-fall from breakage.
Protects against environmental damage.
Strengthens scalp's natural barrier.

Main Highlights

Enriched with Edelweiss Native Cells, Ginger Root & Aminexil, to help reduce the risk of hair-fall due to breakage
Protects against external aggressors
Helps reinforce and preserve the scalps natural protective barrier

Value for Money

Kerastase Genesis Serum Anti-Chute Fortifiant 90ml X2

Kerastase Genesis Serum Anti-Chute Fortifiant 90ml X2

Product image 1

Product image 2

Product image 3

Product image 4

Kerastase Genesis Serum Anti-Chute Fortifiant 90ml X2

Kérastase Magic Power Duo, Genesis Anti-Chute Fortifiant Serum 90ml and Nutritive 8H Night Serum 90ml

Kérastase Magic Power Duo, Genesis Anti-Chute Fortifiant Serum 90ml and Nutritive 8H Night Serum 90ml

Revitalises hair from within.
Calms and reduces scalp irritation.
Strengthens hair from root to tip.

Main Highlights

Sérum Fortifiant is a daily treatment to combat hair loss in thinning and fragile hair. Enriched with Aminexil, Ginger Root, and Caffeine; it revitalises the hair from within the root, calms and reduces scalp irritation, and slows hair loss
Strengthening hair fibre from the root to tip, the serum activates microcirculation of nutrients to stimulate healthy hair growth
30 day treatment plan: Apply treatment once per day for 30 days, in the morning or evening. Distribute 4 pipettes to the scalp, gently massage, then style as usual. Do not rinse. To optimise your anti-hair loss routine, combine your treatment with 10 day Cure Fortifiantes Anti-Fall treatment plan
8H Magic Night Serum by Kérastase is a beauty sleep high-nutrition serum for dry hair. This overnight treatment contains anti-dryness polymers for immediate care with a light, non-greasy finish. It also delivers essential nutrients that boost the formula’s ability to nourish and reinforce the hair.
Protects hair from frizz and extra volume caused by pillow friction. Refreshes hairs shine, strength and softness.
1. Spread a pump of serum in your hands and distribute this overnight hair treatment to the lengths and ends of your dry or damp hair. 2. No need to rinse in the morning. Tip: Apply 8H Magic Night Serum before bedtime.

Product image 1

Product image 2

Product image 3

Product image 4

Kérastase Magic Power Duo, Genesis Anti-Chute Fortifiant Serum 90ml and Nutritive 8H Night Serum 90ml

Revitalises hair from within.
Calms and reduces scalp irritation.
Strengthens hair from root to tip.

Main Highlights

Sérum Fortifiant is a daily treatment to combat hair loss in thinning and fragile hair. Enriched with Aminexil, Ginger Root, and Caffeine; it revitalises the hair from within the root, calms and reduces scalp irritation, and slows hair loss
Strengthening hair fibre from the root to tip, the serum activates microcirculation of nutrients to stimulate healthy hair growth
30 day treatment plan: Apply treatment once per day for 30 days, in the morning or evening. Distribute 4 pipettes to the scalp, gently massage, then style as usual. Do not rinse. To optimise your anti-hair loss routine, combine your treatment with 10 day Cure Fortifiantes Anti-Fall treatment plan
8H Magic Night Serum by Kérastase is a beauty sleep high-nutrition serum for dry hair. This overnight treatment contains anti-dryness polymers for immediate care with a light, non-greasy finish. It also delivers essential nutrients that boost the formula’s ability to nourish and reinforce the hair.
Protects hair from frizz and extra volume caused by pillow friction. Refreshes hairs shine, strength and softness.
1. Spread a pump of serum in your hands and distribute this overnight hair treatment to the lengths and ends of your dry or damp hair. 2. No need to rinse in the morning. Tip: Apply 8H Magic Night Serum before bedtime.

Kerastase Résistance Serum Therapiste 30ml X2

Kerastase Résistance Serum Therapiste 30ml X2

Perfects and repairs split ends.
Protects against heat damage.
Adds softness to hair.

Main Highlights

Dual Care Treatment.

Product image 1

Kerastase Résistance Serum Therapiste 30ml X2

Perfects and repairs split ends.
Protects against heat damage.
Adds softness to hair.

Main Highlights

Dual Care Treatment.

Kérastase Nutritive 8H Magic Night Serum With Niacinamide For Dry Hair Double 90ml

Kérastase Nutritive 8H Magic Night Serum With Niacinamide For Dry Hair Double 90ml

Main Highlights

Ideal for: This serum works overnight to strengthen hair and leave it feeling smooth and nourished.

Product image 1

Kérastase Nutritive 8H Magic Night Serum With Niacinamide For Dry Hair Double 90ml

Main Highlights

Ideal for: This serum works overnight to strengthen hair and leave it feeling smooth and nourished.

Kérastase Genesis Hair Serum, Nourishing & Fortifying Leave-In Conditioner, For Weakened Hair Prone to Hair Loss, With Ginger Root & Edelweiss Flower, Sérum Anti-Chute Fortifiant, 90 ml

Kérastase Genesis Hair Serum, Nourishing & Fortifying Leave-In Conditioner, For Weakened Hair Prone to Hair Loss, With Ginger Root & Edelweiss Flower, Sérum Anti-Chute Fortifiant, 90 ml

Combats hair loss effectively.
Revitalises hair from root.
Activates healthy hair growth.

Main Highlights

Sérum Fortifiant is a daily treatment to combat hair loss in thinning and fragile hair. Enriched with Aminexil, Ginger Root, and Caffeine; it revitalises the hair from within the root, calms and reduces scalp irritation, and slows hair loss
Strengthening hair fibre from the root to tip, the serum activates microcirculation of nutrients to stimulate healthy hair growth
30 day treatment plan: Apply treatment once per day for 30 days, in the morning or evening. Distribute 4 pipettes to the scalp, gently massage, then style as usual. Do not rinse. To optimise your anti-hair loss routine, combine your treatment with 10 day Cure Fortifiantes Anti-Fall treatment plan

Product image 1

Product image 2

Product image 3

Product image 4

Kérastase Genesis Hair Serum, Nourishing & Fortifying Leave-In Conditioner, For Weakened Hair Prone to Hair Loss, With Ginger Root & Edelweiss Flower, Sérum Anti-Chute Fortifiant, 90 ml

Combats hair loss effectively.
Revitalises hair from root.
Activates healthy hair growth.

Main Highlights

Sérum Fortifiant is a daily treatment to combat hair loss in thinning and fragile hair. Enriched with Aminexil, Ginger Root, and Caffeine; it revitalises the hair from within the root, calms and reduces scalp irritation, and slows hair loss
Strengthening hair fibre from the root to tip, the serum activates microcirculation of nutrients to stimulate healthy hair growth
30 day treatment plan: Apply treatment once per day for 30 days, in the morning or evening. Distribute 4 pipettes to the scalp, gently massage, then style as usual. Do not rinse. To optimise your anti-hair loss routine, combine your treatment with 10 day Cure Fortifiantes Anti-Fall treatment plan

Kérastase Resistance, Strengthening & Healing Serum with Heat Protection, For Over-stressed & Very Damaged Hair, With Fibra-Kap, Sérum Thérapiste, 2x15ml

Kérastase Resistance, Strengthening & Healing Serum with Heat Protection, For Over-stressed & Very Damaged Hair, With Fibra-Kap, Sérum Thérapiste, 2x15ml

Repairs and strengthens damaged hair.
Protects from extreme heat.
Nourishes from first application.

Main Highlights

Sérum Thérapiste hair serum is designed to strengthen for damaged and overstressed hair. With a double texture oil and cream mix, enriched with Fibra-Kap technology, it encourages new hair fibre growth, deeply moisturises, and treats damaged and split ends
Nourishes and strengthens hair fibres from the first application, offering repair for split ends and protection from heat up to 230 degrees C
Apply 2 pumps into the palm of your hands, and gently rub together to blend mix. Distribute evenly on from mid-length to tip. Dry and style as per usual. Can also be used on dry hair, before styling as per your usual routine

Product image 1

Product image 2

Product image 3

Product image 4

Kérastase Resistance, Strengthening & Healing Serum with Heat Protection, For Over-stressed & Very Damaged Hair, With Fibra-Kap, Sérum Thérapiste, 2x15ml

Repairs and strengthens damaged hair.
Protects from extreme heat.
Nourishes from first application.

Main Highlights

Sérum Thérapiste hair serum is designed to strengthen for damaged and overstressed hair. With a double texture oil and cream mix, enriched with Fibra-Kap technology, it encourages new hair fibre growth, deeply moisturises, and treats damaged and split ends
Nourishes and strengthens hair fibres from the first application, offering repair for split ends and protection from heat up to 230 degrees C
Apply 2 pumps into the palm of your hands, and gently rub together to blend mix. Distribute evenly on from mid-length to tip. Dry and style as per usual. Can also be used on dry hair, before styling as per your usual routine

Kérastase Genesis Homme, Anti-Hair Fall Fortifying Serum, for Weakened & Thinning Hair, With Aminexil, Sérum Anti-Chute Fortifiant, 90 ml

Kérastase Genesis Homme, Anti-Hair Fall Fortifying Serum, for Weakened & Thinning Hair, With Aminexil, Sérum Anti-Chute Fortifiant, 90 ml

Effective hair loss solution.
Strengthens hair from root.
Easy and convenient application.

Main Highlights

Genesis Homme Sérum Anti-Chute Fortifiant is designed to fight against hair loss. Enriched with Aminexil, Ginger Root and Creatine. This serum improves resistance and helps to reduce the rate of hair of hair-fall
This serum strengthens hair fibre at the root while slowing down hair loss
Use morning or evening for a minimum of 6 weeks. Apply x4 doses (1 dose is equal to 1 pipette to the line indicated) on towel-dried or dry scalp, section by section. Massage to promote distribution and absorption of the serum. Do not rinse

Product image 1

Product image 2

Product image 3

Product image 4

Kérastase Genesis Homme, Anti-Hair Fall Fortifying Serum, for Weakened & Thinning Hair, With Aminexil, Sérum Anti-Chute Fortifiant, 90 ml

Effective hair loss solution.
Strengthens hair from root.
Easy and convenient application.

Main Highlights

Genesis Homme Sérum Anti-Chute Fortifiant is designed to fight against hair loss. Enriched with Aminexil, Ginger Root and Creatine. This serum improves resistance and helps to reduce the rate of hair of hair-fall
This serum strengthens hair fibre at the root while slowing down hair loss
Use morning or evening for a minimum of 6 weeks. Apply x4 doses (1 dose is equal to 1 pipette to the line indicated) on towel-dried or dry scalp, section by section. Massage to promote distribution and absorption of the serum. Do not rinse

Kérastase Nutritive, Split Ends Hair Serum for Dry Hair, Nourishing Leave-In Oil Treatment, Ultra-Sealing Formula with Anti-Dryness Polymers, Adds Smoothness and Shine, Nutri-Supplement, 50 ml

Kérastase Nutritive, Split Ends Hair Serum for Dry Hair, Nourishing Leave-In Oil Treatment, Ultra-Sealing Formula with Anti-Dryness Polymers, Adds Smoothness and Shine, Nutri-Supplement, 50 ml

Seals and nourishes split ends.
Provides instant smoothness and shine.
Locks in nutrition durably.

Main Highlights

Nutritive Split Ends Serum by Kérastase is a high-nutrition ultra-sealing serum for dry hair with split ends. Its ultra-concentrated formula helps to nourish and replenish dry ends to instantly restore a smooth, even look.
Instant smoothness and improved shine. It creates a protective barrier to lock in nutrition and durably fight dryness.
1. Apply 5 drops of this split ends serum to wet ends, as a leave-in treatment. 2. Style as desired. Do not rinse. If irritation occurs reduce the frequency of use. Nourishing split ends serum can be used after the entire Nutritive routine.

Product image 1

Product image 2

Product image 3

Product image 4

Kérastase Nutritive, Split Ends Hair Serum for Dry Hair, Nourishing Leave-In Oil Treatment, Ultra-Sealing Formula with Anti-Dryness Polymers, Adds Smoothness and Shine, Nutri-Supplement, 50 ml

Seals and nourishes split ends.
Provides instant smoothness and shine.
Locks in nutrition durably.

Main Highlights

Nutritive Split Ends Serum by Kérastase is a high-nutrition ultra-sealing serum for dry hair with split ends. Its ultra-concentrated formula helps to nourish and replenish dry ends to instantly restore a smooth, even look.
Instant smoothness and improved shine. It creates a protective barrier to lock in nutrition and durably fight dryness.
1. Apply 5 drops of this split ends serum to wet ends, as a leave-in treatment. 2. Style as desired. Do not rinse. If irritation occurs reduce the frequency of use. Nourishing split ends serum can be used after the entire Nutritive routine.

Kérastase Nutritive, Hydrating Scalp Serum for Dry Hair, With Niacinamide and Vitamins, Moisturising and Revitalising, Fast Absorbing and Non Greasy, Nutri-Supplement, 90 ml

Kérastase Nutritive, Hydrating Scalp Serum for Dry Hair, With Niacinamide and Vitamins, Moisturising and Revitalising, Fast Absorbing and Non Greasy, Nutri-Supplement, 90 ml

Deeply nourishes dry hair.
Provides immediate hydration boost.
Enriched with essential vitamins.

Main Highlights

Nutri-Supplement Scalp Serum by Kérastase is a moisturizing scalp serum for dry scalps. This is our ultimate scalp treatment: a niacinamide serum that provides vitamins to deeply nourish dry hair. Acting like a nutrient supplement for the scalp, it has a milky, fast-absorbing texture.
Immediate hydration boost for dry scalps. Moisturises the scalp and leaves it feeling refreshed, healthy and immediately more comfortable. Enriched with vitamins.
1. Apply section by section on dry or damp scalp (2 to 4 doses depending on hair thickness). 2. Massage to distribute evenly. 3. Blow dry, do not rinse. Use as often as needed.

Product image 1

Product image 2

Product image 3

Product image 4

Kérastase Nutritive, Hydrating Scalp Serum for Dry Hair, With Niacinamide and Vitamins, Moisturising and Revitalising, Fast Absorbing and Non Greasy, Nutri-Supplement, 90 ml

Deeply nourishes dry hair.
Provides immediate hydration boost.
Enriched with essential vitamins.

Main Highlights

Nutri-Supplement Scalp Serum by Kérastase is a moisturizing scalp serum for dry scalps. This is our ultimate scalp treatment: a niacinamide serum that provides vitamins to deeply nourish dry hair. Acting like a nutrient supplement for the scalp, it has a milky, fast-absorbing texture.
Immediate hydration boost for dry scalps. Moisturises the scalp and leaves it feeling refreshed, healthy and immediately more comfortable. Enriched with vitamins.
1. Apply section by section on dry or damp scalp (2 to 4 doses depending on hair thickness). 2. Massage to distribute evenly. 3. Blow dry, do not rinse. Use as often as needed.

We scanned 1296 products

We reviewed these offers relevant to the Kerastase Serum within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like KÉRASTASE, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Kerastase Serum in the market, we considered we took a deep dive into 6481 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

The clear winner of our analysis is Kérastase Serum Magic Power Duo. We love many things about this product by KÉRASTASE. What sets it apart from the competition is Reduces hair-fall from breakage. , Protects against environmental damage. , Strengthens scalp's natural barrier. .
The best value product for most shoppers and where user satisfaction is continuously the highest is Kerastase Genesis Serum Anti-Chute Fortifiant 90ml X2 by KÉRASTASE based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Kerastase Serum and the best cost-to-value ratio is Kerastase Genesis Serum Anti-Chute Fortifiant 90ml X2at KÉRASTASE with a 30% discount.
Our list of the best Kerastase Serum is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.