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Kérastase Fusio Dose Concentré Acide Aminé

concentrate for hair damaged by dyeing
An exclusive professional service offering personalization shots for instant transformation of sensitized or damaged colour-treated hair. To be used exclusively with a selected Fusio Dose...
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Product Kérastase Fusio Dose Concentré Acide Aminé concentrate for hair damaged by dyeing is sold out, but you can buy its successor.

Versions Kérastase Fusio Dose Concentré Acide Aminé
Contents Availability Price
10x12ml Sold out This product can no longer be purchased and we cannot guarantee its availability.
Kérastase Fusio Dose Concentré Acide Aminé

An exclusive professional service offering personalization shots for instant transformation of sensitized or damaged colour-treated hair. To be used exclusively with a selected Fusio Dose Booster! It is also suited for women who do not have time for a traditional ritual, it will bring them spectacular results in just a few minutes.

The combination of the booster & concentré offers 30 different combinations to treat several hair needs at once: from dullness to breakage, color care and nutrition. The concentré addresses the primary concern hair need identified by the hairdresser after the diagnosis, while the booster addresses a secondary hair need aspired by your client, so you can have the best of both worlds.


  • Gives the maximum efficiency for an instant visible hair transformation
  • Recovers fiber from color damage for a softer, homogenous touch
  • Deeply cares for fiber after color treatment
  • Boosts shine and brightness
  • Helps support fiber health after coloration
  • Creates a healthier, brighter, longer-lasting color
  • It is fast to apply, easy to recommend, personalized and with instant visible results
  • Can be used after a color service or in-between color appointments

Key ingredients

  • Amino Acid - penetrates the cortex to rebuild hair from inside out.
  • Centella Asiatica - a millenary regenerative plant widely used in Asian skincare, known for its caring, healing properties.
  • Lactic acid - gently exfoliates and seals surface to reduce frizz and boost shine.


  • Up to 70% more shine* when used with Booster Brilliance
  • Up to 72 hours of anti-frizz when used with Booster anti-frizz
  • Up to 37% fiber resurfacing when used with Booster Resurfaçant

*Instrumental test

How to use

Use only in combination with a Fusio Dose Booster!

  1. Remove the lid from the bottle of Concentré
  2. Hold the Booster in on hand, remove the stopper and screw onto the neck of the Concentré in a clockwise direction until you feel a click.
  3. Inteligent measuring system, the correct quantity of Booster is mixed with the Concentré (6ml/0.2 fl.oz.). Wait until the flow stops automatically and uscrew the Booster.
  4. Carefully dry the nozzle.
  5. Screw the spray onto the concentré and shake to create a homogenous mixture.
  6. Spray the entire contents of the bottle over shampooed, towel-dried hair at a distance of 10 cm (4 inches). Massage into the lengths. Leave on at least 5 minutes, or longer depending on desired degre of neutralization. Rinse throughly.
  7. Replace the stopper on the Booster and return to stand, with the top facing downwards.

Remember! Conduct a skin allergy test 48 hours before each use on your client. Do not use alone. To be mixed exclusively with one of Fusio-Dose Boosters. The mix cannot be stored and must be used immediately.


Aqua/Water/Eau • Amodimethicone • Hydroxypropyl Starch Phosphate • Behentrimonium Chloride • Cocos Nucifera Oil / Coconut Oil • Cetearyl Alcohol • Isopropyl Myristate • Isopropyl Alcohol • Phenoxyethanol • Trideceth-5 • Trideceth-6 • Tocopherol • Glycerin • Arginine • Caprylyl Glycol • Lactic Acid • Trideceth-10 • Cetrimonium Chloride • Acetic Acid • Linalool • Limonene • Sodium Hyaluronate • Centella Asiatica Extract • Parfum / Fragrance. N280799/1
Key features
For whom: For women
Hair type: All types
Concern of hair: Damage, Color protection
Benefit: Regeneration, Color protection, Shine, Hydratation, Strengthening
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Catherine Neat hair and skin specialist
Catherine Neat
hair and skin specialist

+44 330 808 5640
At workdays: 8:00-16:30

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