Kerastase Fusio Dose Concentre Oleo-Fusion

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Intensive Nourishing Care For Very Dry Hair

Size: 10x12ml /

Kerastase Fusio-Dose Concentre Oleo-Fusion is a part of Fusio Dose family of professional hair treatments with unique formulas containing highly concentrated active ingredients designed to resolve all your hair concerns. Kerastase Fusio-Dose Concentre Oleo-Fusion is meant to address Very Dry Hair as main concern and it must be combined with the booster of your choice to address a secondary hair concern. The beauty of the Fusio-Dose is that you can create a tailor-made solution based on your hair needs and combine different hair treatments into ONE by mixing concentrate with different type of boosters to address your hair needs. The freshly fused treatment with initial dose of goodness will fundamentally treat your hair and immediately transform it for lasting results.


  • For Very Dry Hair
  • Long lasting nutrition
  • Softens and delivers gloss
  • Helps detangling
  • Must be combined with one of the boosters to address secondary hair need
  • Need one Booster to fill 10 Concentre Vials
  • Cruelty-free/No Animal Testing


Kerastase Fusio Dose is most effective when applied to hair section by section. If your hair is short or not very thick, you can visually determine which sections of hair have received treatment and which have not as you go. However, if you have long or thick hair, consider using hair clips to differentiate one section from the next while applying treatment.

Concentrate and boosters must be mixed together and apply directly to the hair using either a spray bottle or your hands. Massage the treatment into your hair thoroughly, making sure to condition the entirety of each length. Keep track of which sections of hair you applied treatment to as you go. Give sections of your hair that are particularly dry or damaged a bit of extra attention.

When you cover all of your hair, allow the treatment to sit for one minute, and then rinse it out with warm water. You should see a noticeable difference in your hair immediately after applying the Kerastase Fusio Dose. To keep your hair as healthy and shiny as possible, repeat this process once a week. One treatment depending on hair type and environmental conditions should less from 5-10 shampoos.

  1. Remove the cap from the concentrate vial
  2. Pour the consistency of the booster into the concentre vial
  3. Put on the sprayer (snaps on)
  4. Shake well
  5. Spray evenly on towel dried hair
  6. Comb through with a wide-tooth comb
  7. Leave it on for 10 seconds (This treatment works instantly)
  8. Rinse out

Note: Please clean the dispenser by spraying a warm water through it. It is reusable sprayer and can be use many times. For additional help please refer to video


Aqua/Water, Alcohol Denat., Glycerin, Simmondsia Chinesis Seed Oil/Jojoba Seed Oil, Persea Gratissima Oil/Avocado Oil, Undecane, PEG-8 Isosterate, Behentrimonium Chloride, Amosdimethicone, Trideceth-5, Isopropyl Alcohol, PEG-8, Trideceth-10, Phenoxyethanol, Benzyl Alcohol, Cinnamyl Alcohol, Citronellol, Acetic Acid, Tocopherol, Helianthus Annus Seed Oil/Sunflower Seed Oil, Rosmarinus Officinalis Leaf Extract/Rosemary Leaf Extract, Parfum/Fragrance. C195531/1

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  • 5
    Love it

    Posted by Melanie L. on 19th Jan 2021

    My hair became limp and lifeless after years of hot irons, curlers and color. I had no luck with home treatments until I found this concentrate – and it's fabulous. My hair is finally smooth, silky and shiny again, without a trip to the salon. I love it!

  • 5
    Incredible product

    Posted by Melissa Mohon on 4th Nov 2020

    This product works miracles on all hair types.

  • 5
    Keratase fusio doseiConcentrate

    Posted by Celeste Carpiano on 30th Apr 2020

    Must be used with discipline booster. It’s the absolute best treatment for course frizzy hair. Highly recommend

  • 5

    Posted by Katie on 26th May 2019

    I bought this for my daughter who has naturally curly coarse hair. Instantly changed it to manageable and soft. Incredible!!!

  • 5

    Posted by Brittany L. on 16th Apr 2018

    This treatment is unbelievable. Combination of Oleo Fusion with booster brilliance does miracles to my dry, over-processed hair. It nourishes my hair with incredible silkiness and radiance. I was not sure which combination to choose but folks from valley beauty helped me choose the right blend and I LOVE IT! Thank you VB.