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Fusio-Dose In-Salon Hair Treatment

Select your [Concentré] and [Booster] to enjoy instant hair transformation. Exclusive professional & personalised service, only available in salon.

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Fusio-Dose In-Salon Hair Treatment
Fusio-Dose In-Salon Hair Treatment
Fusio-Dose In-Salon Hair Treatment
Fusio-Dose In-Salon Hair Treatment
Fusio-Dose In-Salon Hair Treatment

Fusio-Dose In-Salon Hair Treatment

Select your [Concentré] and [Booster] to enjoy instant hair transformation. Exclusive professional & personalised service, only available in salon.

Select a shade
The product variation is out of stock, BOOSTER CICABLOND, 1 of 11
The product variation is out of stock, BOOSTER NUTRITION, 2 of 11
The product variation is out of stock, BOOSTER ANTI-FRIZZ, 3 of 11
The product variation is out of stock, BOOSTER BRILLANCE, 4 of 11
Selected The product variation is out of stock, BOOSTER RECONSTRUCTION, 5 of 11
The product variation is out of stock, CONCENTRÉ BLOND ABSOLU, 6 of 11
The product variation is out of stock, CONCENTRÉ NUTRITIVE, 7 of 11
The product variation is out of stock, CONCENTRÉ GENESIS, 8 of 11
The product variation is out of stock, CONCENTRÉ RÉSISTANCE, 9 of 11
The product variation is out of stock, CONCENTRÉ CURL MANIFESTO, 10 of 11
The product variation is out of stock, CONCENTRÉ CHROMA ABSOLU, 11 of 11
BOOSTER RECONSTRUCTION
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Elixir and premiere haircare products and genesis trio haircare set

UP TO 15% OFF HAIRCARE SETS*
Discover your perfect hair routine and bring the
salon experience home. USE CODE: ROUTINE
 Discover your perfect hair routine.
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Emily Ratajkowski headshot for haircare diagnostic quiz

​HAIR DIAGNOSTIC
Discover the perfect haircare routine tailored
just for you in only 2 minutes.
START QUIZ

Book an appointment at your nearest Kérastase salon
for a customised Fusio-Dose treatment.

FIND A SALON
Book an appointment at your nearest
Kérastase salon for a customized
Fusio-Dose treatment.

Fusio Dose in action!
Watch Cher Webb try our in-salon experience: Fusio Dose! The personalised treatment is available in up to 30 combinations. Transform your hair today and book and appointment in your nearest Kérastase salon!

FIND YOUR NEAREST SALON NOW

In-Salon Service Benefits


Fusio-Dose can provide a double benefit in only one professional application and be more efficient than any other treatment, with a Booster and a Concentré. The products are powered by concentrated skincare actives, for more performance.

Fusio Dose is composed by concentrés and boosters to mix, creating up to 30 combinations!

100% agree that Fusio-Dose does not weigh hair down and 79% said it transforms profoundly hair*.

*Test on 52 applications, done by 12 hairdressers.


PDP Section Routine

6 Fusio-Dose [Concentrés]

Each Fusio-Dose Concentré is an ultra concentrated emulsion, for optimal care with lightness, also supplemented with skincare actives.

The [Concentré] will focus on your primary hair need, identified by the hairdresser during the diagnosis.
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CONCENTRÉ BLOND ABSOLU

​​Concentré Blond Absolu is for lightened, highlighted cool blonde hair. Infused with UV Pigment.

- Anti-brass restoring purple care
- Reconstructive forumula
- Neutralizes unwanted brassy undertones - Restores sensitized fibre

Infused with UV PIGMENT

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CONCENTRÉ NUTRITIVE

Concentré Nutritive is for very dry hair. Infused with Niacinamide.​ A deep nourishing treatment to restore hair from dryness

-​ Instantly infuses hair fiber with nourishing agents without weighting hair down
- Detangling properties
- Improves shine, softness and lightness of the hair - Improve hair’s original strength & vitality 

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CONCENTRÉ GENESIS

Concentré Genesis is for weakened hair, prone to breakage from brushing. ​Infused with vegetal collagen peptides. ​A deep fortifying treatment to strengthen fibers and bring lightweight volume.

- Brings intense hydration & eases tangles
- Makes fiber stronger, softer and shinier
- Soft finish & deep nourishment - Protection to prevent hair fall due to breakage 

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CONCENTRÉ RESISTANCE

Concentré Resistance is for damaged, over-processed hair. Infused with ceramides.​ An Instant hair repairing care for slow growing hair and damaged lengths​.

- Hair is instantly strengthened and rebuilt from within.
- Seals hair lengths to prevent from weaking and breaking.
- Up to 93% less breakage* when used with booster cicablond. - Helps strengthen hair *Instrumental test, Concentré Resistance + Booster Cicablond vs classic shampoo on bleached hair​.

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CONCENTRÉ CURL MANIFESTO

Concentré Curl Manifesto is for curly and very curly hair. Infused with glycerin.​

- Replenishes curls
-Instantly infuses hair with nourishment.
-Leaves curls healthy looking and soft.

A small bottle of Kérastase Fusio-Dose with Amino-Acid, designed to enhance hair color and shine. A small bottle of Kérastase Fusio-Dose with Amino-Acid, designed to enhance hair color and shine.
CONCENTRÉ CHROMA ABSOLU

Concentré Chroma Absolu is for sensitized or damaged colour-treated hair. Infused with Amino-acid.

-Up to 70% more shine* when used with Booster Brilliance
-Up to 72 hours of anti-frizz** when used with Booster anti-frizz
*Instrumental test with Concentré Chroma Absolu + Booster Brilliance **Instrumental test with Concentré Chroma Absolu + Booster Anti-Frizz

    6 Fusio-Dose [Concentrés]

    Each Fusio-Dose Concentré is an ultra concentrated emulsion, for optimal care with lightness, also supplemented with skincare actives.

    The [Concentré] will focus on your primary hair need, identified by the hairdresser during the diagnosis.
    Primary image Secondary image
    CONCENTRÉ BLOND ABSOLU

    An instant restoring brass-reducing formula giving instant blond illumination.

    - Instantly neutralizes brassy & yellow undertones
    - Intense care & protection to bleached hair
    - Improves & illuminates natural shine

    Infused with UV PIGMENT

    -7% brassiness
    -93% breakage
    +95% nutrition
    +56% softness

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    CONCENTRÉ NUTRITIVE

    A deep nourishing treatment to restore hair from dryness.

    - Instantly infuses hair fiber with nourishing agents
    - More shine, softness and lightness
    - Improve hair’s original strength & vitality

    Infused with NIACINAMIDE

    +66% softness
    +28% suppleness

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    CONCENTRÉ GENESIS

    A deep fortifying treatment to amplify fiber and bring lightweight volume.

    - Makes fiber stronger, softer and shinier
    - Plumps and strengthens the fiber
    - Protection to prevent hair fall due to breakage

    Infused with COLLAGENE PEPTIDE FRAGMENT

    -77% breakage
    +44% volume for 24h

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    CONCENTRÉ RESISTANCE

    An Instant hair repairing care for slow growing and damaged lengths

    - Strengthened and rebuilt hair from within.
    - Deeply improve the fiber’s resistance to breakage & multiple-combing
    - Intense care & protection

    Infused with CERAMIDES

    -96% breakage
    -35% surface damage

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    CONCENTRÉ CURL MANIFESTO

    A deep defining and fortifying treatment for curly and very curly hair.

    - Replenishes curls instantly
    - Intense shot of nutrition
    - Brings shine and bounce to curls

    Infused with GLYCERIN

    -92% breakage
    +75% nutrition
    +62% softness
    Anti-frizz 72h

    A small bottle of Kérastase Fusio-Dose with Amino-Acid, designed to enhance hair color and shine. A small bottle of Kérastase Fusio-Dose with Amino-Acid, designed to enhance hair color and shine.
    CONCENTRÉ CHROMA ABSOLU

    A white nourishing concentrate to recover fiber from color damage, for a healthier, brighter color.

    - Helps reduce color induced damages
    - Reinforces weak colored hair from within
    - Boost shine & brightness

    Infused with AMINO-ACID

    -41% surface damage
    +88% nutrition
    +55% softness

      PDP Section Routine

      5 Fusio-Dose [Boosters]

      Each booster is charged with concentrated cationic actives targeting specific hair needs and supplemented with skincare actives.

      The [Booster] is focusing on your secondary hair need you want to target. It can be Shine, Nutrition, Frizz Reduction or Blond Repair.
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      BOOSTER CICABLOND

      Booster Cicablond is for lightened, higlighted blonde hair. Infused with Hyaluronic acid + Vitamin CG

      Recommended for all types of blond bleached hair, in between salon visits or after the colouration service.

      Infused with VITAMIN E

      -Up to 93% less breakage* when paired with Resistance Concentré
      -Instantly conditions fibre structure after a pre-lightening or highlighting service
      *Instrumental test, Concentré Resistance + Booster Cicablond vs classic shampoo on bleached hair

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      BOOSTER NUTRITION

      Booster Nutrition is for very dry hair. Infused with  camellia oil.

      Recommended for very dry hair.

      Infused with CAMELLIA OIL

      Instant softness and nutrition
      Hair is more manageable with lasting radiance

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      BOOSTER ANTI-FRIZZ

      Booster Anti-Frizz is for humidity-induced frizzy hair. Infused with pro-keratin​.

      Recommended for hair sensitive to humidity-induced frizz.

      Infused with POLYPEPTIDE

      - Instant smoothness
      - Protects from humidity-induced frizz 
      - Increased detangling and manageability 
      - Up to 72 hours of anti-frizz* when paired with Concentré Chroma Absolu. *Instrumental test with Concentré Chroma Absolu + Booster Anti-Frizz.

      Primary image Secondary image
      BOOSTER BRILLANCE

      Booster Brillance is for sensitized or damaged colour-treated hair. Infused with Lactic Acid.

      Recommended for all types of color treated hair. In between salon visits or after the coloration service.

      Infused with LACTIC ACID

      - Up to 70% more shine* when paired with Concentré Chroma Absolu

      *Instrumental test with Concentré Chroma Absolu + Booster Brilliance

      A green Kerastase Fusio-Dose vials for hair revitalization, labeled 'Protein,' showcasing its sleek design. A green Kerastase Fusio-Dose vials for hair revitalization, labeled 'Protein,' showcasing its sleek design.
      BOOSTER RECONSTRUCTION

      Booster Reconstruction is for damaged, over-processed hair. Based on Protein.​ Helps to strengthen the hair.

      An intensive treatment based on protein to repair your hair.

      Infused with PROTEIN

      - Repair and reinforce weakened hair fibers from within.
      - Improves the fiber’s ability to resist against breakage.

        5 Fusio-Dose [Boosters]

        Each booster is charged with concentrated cationic actives targeting specific hair needs and supplemented with skincare actives.

        The [Booster] is focusing on your secondary hair need you want to target. It can be Shine, Nutrition, Frizz Reduction or Blond Repair.
        Primary image Secondary image
        BOOSTER CICABLOND

        A treatment to preserve bleached, highlighted blond hair & bring extra-strength.

        Recommended for all types of blond bleached hair, in between salon visits or after the coloration service.

        Infused with VITAMIN E

        +85% nutrition
        +60% softness

        Primary image Secondary image
        BOOSTER NUTRITION

        A booster concentrated in camellia oil to instantly nourish dry, brittle hair.

        Recommended for very dry hair.

        Infused with CAMELLIA OIL

        +64% softness
        +31% suppleness

        Primary image Secondary image
        BOOSTER ANTI-FRIZZ

        Recommended for hair sensitive to humidity-induced frizz.

        Infused with POLYPEPTIDE

        +86% nutrition
        +54% softness

        Primary image Secondary image
        BOOSTER BRILLANCE

        Acid sealing care to resurface post-color treated fiber and recover fiber from coloration damage.

        Recommended for all types of color treated hair. In between salon visits or after the coloration service.

        Infused with LACTIC ACID

        +93% nutrition

        A green Kerastase Fusio-Dose vials for hair revitalization, labeled 'Protein,' showcasing its sleek design. A green Kerastase Fusio-Dose vials for hair revitalization, labeled 'Protein,' showcasing its sleek design.
        BOOSTER RECONSTRUCTION

        An intensive treatment based on protein to repair your hair.

        Recommended for damaged, overprocessed hair.

        Infused with PROTEIN

        +85% nutrition
        +68% softness

          PDP Section Ingredients

          Key Ingredients

          Kérastase Fusio-Dose Treatment is powered by concentrated skincare actives, for more performance.


          VITAMIN E



          CAMELLIA OIL

          >


          POLYPEPTIDE



          LACTIC ACID



          PROTEIN




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