Fusio-Dose In Salon Hair Treatment
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Learn More Special Offer
1 complimentary Travel Size & 4 samples with $100. Code: FUN23. Learn More
Discover your nearest Kérastase salon
for a customized Fusio-Dose treatment.
Kérastase salon for a customized
Fusio-Dose treatment.
Custom Blended Treatments
With up to 30 unique combinations, NEW Fusio Dose in-salon treatments instantly transform your hair. Composed of two parts, a Fusio Dose treatment starts with a personalized diagnosis from a trained Kerastase stylist. Your stylist will work with you to understand your main hair concerns and ultimate hair goals. Starting with the Concentre, these highly concentrated vials address your main hair concern. A concentre is then mixed with a Booster, packed with powerful skincare actives based on your hair goals.
- 95% less breakage*
- 70% more shine**
- 24h anti-frizz protection***
*Instrumental test after using Concentré Genesis + Booster Reconstruction
**Instrumental test after using Concentré Chroma Absolu + Booster Brillance
***Instrumental test after using Concentré Chroma Absolu (or Nutritive) + Booster Anti-Frizz
6 Fusio-Dose Concentrés
Infused with HYALURONIC ACID VIOLET DIRECT DYE
This blond color protecting concentré nourishes the hair fiber and neutralizes brassiness for blonde color treated hair with a cooler tone and high shine finish.
- Neutralizes yellow & brassy undertones
- Color corrects using Pigment UV for a cool, icy blond hair color
- Deeply hydrates the hair fiber
- Leaves hair with an added shine
Recommended for blond color treated hair looking for added hydration, smoothness, and shine. Ideal for use during both non-color service salon visits or directly after a lightening service.
93% Stronger Hair
56% More Hydrated*
95% More Conditioned*
*vs. non conditioning shampoo
Infused with NIACINAMIDE
This nourishing concentré deeply hydrates hair with intensely moisturizing Niacinamide for healthier hair with added softness, easier detangling, and a beautiful shine
- Deeply nourishes dry hair
- Formulated with Niacinamide to intensely moisturize
- Provides easier detangling
- Adds softness and shine
Recommended for dry hair looking for deep nourishment and hydration.
66% Softer
Infused with COLLAGEN PEPTIDES
This fortifying concentré repairs weakened hair for stronger, thicker strands with added volume and less breakage.
- Strengthens the hair fiber
- Features Collagen Peptide Fragment for intense hair repair
- Adds softness and shine
- Reduces breakage from brushing
Recommended for weakened hair that is prone to falling due to damage from breakage from brushing. Ideal for those looking for longer, stronger hair with less breakage.
77% Stronger Hair
44% More Volume
24 Hours Of Added Volume
Infused with CERAMIDES
This strengthening concentré repairs hair that has been damaged from mechanical or environmental stress by infusing nourishment and sealing the outer cuticle layer to prevent future breakage.
- Hair is instantly strengthened.
- Features Ceramides for intense hair repair
- Adds nourishment and seals cuticle to prevent from future breakage
- Leaves hair softer with a high shine
Recommended for damaged hair looking for strength and smoothness with less breakage.
96% Stronger Hair
35% Less Surface Damage
Infused with GLYCERIN
This curl defining concentré deeply hydrates and fortifies curly and coily hair for weightless volume, reduced frizz, easier detangling, and naturally bouncy curl definition.
- Hydrates curls instantly
- Provides added strength
- Formulated with Glycerin for weightless, bouncy curls
- Hair is softer and easier to detangle
Recommended for curly hair looking for intense hydration and enhanced curl definition.
75% More Conditioned*
62% More Hydrated*
92% Stronger Hair
24 Hours Of Frizz Protection
*vs. non conditioning shampoo
Infused with LACTIC ACID & CENTELLA ASIATICA
This color protecting concentré hydrates and repairs the hair fiber for color treated hair with less damage and a rich, vibrant color and high shine finish.
- Helps repair hair following color services
- Nourishes and repairs the hair fiber
- Adds softness & shine
- Preserves bright, vibrant hair color
Recommended for all types of color treated hair looking for nourishment, strength, and enhanced color vibrancy. Ideal for use during both non-color service salon visits or directly after a coloring service.
88% More Conditioned*
55% More Hydrated*
41% Less Surface Damage
- 24 Hours Of Frizz Protection
*vs. non conditioning shampoo
6 Fusio-Dose [Concentrés]
Infused with HYALURONIC ACID VIOLET DIRECT DYE
This blond color protecting concentré nourishes the hair fiber and neutralizes brassiness for blonde color treated hair with a cooler tone and high shine finish.
- Neutralizes yellow & brassy undertones
- Color corrects using Pigment UV for a cool, icy blond hair color
- Deeply hydrates the hair fiber
- Leaves hair with an added shine
Recommended for blond color treated hair looking for added hydration, smoothness, and shine. Ideal for use during both non-color service salon visits or directly after a lightening service.
93% Stronger Hair
56% More Hydrated*
95% More Conditioned*
*vs. non conditioning shampoo
Infused with NIACINAMIDE
This nourishing concentré deeply hydrates hair with intensely moisturizing Niacinamide for healthier hair with added softness, easier detangling, and a beautiful shine
- Deeply nourishes dry hair
- Formulated with Niacinamide to intensely moisturize
- Provides easier detangling
- Adds softness and shine
Recommended for dry hair looking for deep nourishment and hydration.
Infused with COLLAGEN PEPTIDES
This fortifying concentré repairs weakened hair for stronger, thicker strands with added volume and less breakage.
- Strengthens the hair fiber
- Features Collagen Peptide Fragment for intense hair repair
- Adds softness and shine
- Reduces breakage from brushing
Recommended for weakened hair that is prone to falling due to damage from breakage from brushing. Ideal for those looking for longer, stronger hair with less breakage.
77% Stronger Hair
44% More Volume
24 Hours Of Added Volume
Infused with CERAMIDES
This strengthening concentré repairs hair that has been damaged from mechanical or environmental stress by infusing nourishment and sealing the outer cuticle layer to prevent future breakage.
- Hair is instantly strengthened.
- Features Ceramides for intense hair repair
- Adds nourishment and seals cuticle to prevent from future breakage
- Leaves hair softer with a high shine
Recommended for damaged hair looking for strength and smoothness with less breakage.
96% Stronger Hair
35% Less Surface Damage
Infused with GLYCERIN
This curl defining concentré deeply hydrates and fortifies curly and coily hair for weightless volume, reduced frizz, easier detangling, and naturally bouncy curl definition.
- Hydrates curls instantly
- Provides added strength
- Formulated with Glycerin for weightless, bouncy curls
- Hair is softer and easier to detangle
Recommended for curly hair looking for intense hydration and enhanced curl definition.
75% More Conditioned*
62% More Hydrated*
92% Stronger Hair
24 Hours Of Frizz Protection
*vs. non conditioning shampoo
Infused with LACTIC ACID & CENTELLA ASIATICA
This color protecting concentré hydrates and repairs the hair fiber for color treated hair with less damage and a rich, vibrant color and high shine finish.
- Helps repair hair following color services
- Nourishes and repairs the hair fiber
- Adds softness & shine
- Preserves bright, vibrant hair color
Recommended for all types of color treated hair looking for nourishment, strength, and enhanced color vibrancy. Ideal for use during both non-color service salon visits or directly after a coloring service.
88% More Conditioned*
55% More Hydrated*
41% Less Surface Damage
- 24 Hours Of Frizz Protection
*vs. non conditioning shampoo
5 Fusio-Dose Boosters
Infused with VITAMIN E
This blond color protecting booster hydrates and strengthens lightened hair for added smoothness and an illuminated cool blonde tone.
- Hydrates and strengthens the hair fiber
- Formulated with Vitamin E for added nourishment
- Adds softness and shine
Recommended for blond color treated hair looking for vibrant hair with a cool, icy tone, softness, and shine. Ideal for use during both non-color service salon visits or directly after a lightening service.
85% More Conditioned*
88% More Conditioned**
60% More Hydrated*
*vs. non conditioning shampoo
Infused with CAMELLIA OIL
This nourishing booster deeply hydrates hair with an intensely moisturizing formula for healthier hair that is smoother and easier to detangle with a glowing shine.
- Deeply nourishes dry hair
- Formulated with Camellia Oil to intensely moisturize
- Hair is more manageable
- Adds softness and shine
Recommended for dry hair looking for healthier hair that is hydrated and frizz-free with a high shine finish.
85% More Conditioned*
64% More Hydrated*
*vs. non conditioning shampoo
Infused with POLYPEPTIDES
This smoothing booster nourishes the hair fiber to enhance smoothness, reduce unwanted frizz, provide easier detangling, and leave hair feeling soft.
- Protects against humidity-induced frizz
- Formulated with Polypeptide for added nourishment and smoothness
- Increases hair’s managability
Recommended for frizzy hair looking for smoothness, shine, easy detangling, and manageability in humidity.
86% More Conditioned*
54% More Hydrated*
**vs. non conditioning shampoo
Infused with LACTIC ACID & TARTARIC ACID
This color protecting booster hydrates and seals the outer layer of the hair fiber to preserve color vibrancy for healthier, color treated hair with a beautiful shine.
- Seals hair fiber to preserve color vibrancy
- Nourishes and repairs hair
- Adds softness & shine
- Preserves bright, vibrant hair color
Recommended for color treated hair looking for rich, vibrant hair color with a high shine finish. Ideal for use during both non-color service salon visits or directly after a coloring service.
93% More Conditioned**
*vs. non conditioning shampoo
Infused with PLANT PROTEINS
This strengthening booster reinforces damaged hair for smoother, longer strands with less frizz and more protection from future breakage.
- Hair is instantly strengthened
- Features Protein to reinforce hair fiber
- Adds nourishment and seals cuticle to prevent from future breakage
- Leaves hair softer with a high shine
Recommended for damaged hair looking for stronger, healthier hair with less breakage.
85% More Conditioned*
68% More Hydrated*
*vs. non conditioning shampoo
5 Fusio-Dose [Boosters]
Infused with VITAMIN E
This blond color protecting booster hydrates and strengthens lightened hair for added smoothness and an illuminated cool blonde tone.
- Hydrates and strengthens the hair fiber
- Formulated with Vitamin E for added nourishment
- Adds softness and shine
Recommended for blond color treated hair looking for vibrant hair with a cool, icy tone, softness, and shine. Ideal for use during both non-color service salon visits or directly after a lightening service.
85% More Conditioned*
88% More Conditioned**
60% More Hydrated*
*vs. non conditioning shampoo
Infused with CAMELLIA OIL
This nourishing booster deeply hydrates hair with an intensely moisturizing formula for healthier hair that is smoother and easier to detangle with a glowing shine.
- Deeply nourishes dry hair
- Formulated with Camellia Oil to intensely moisturize
- Hair is more manageable
- Adds softness and shine
Recommended for dry hair looking for healthier hair that is hydrated and frizz-free with a high shine finish.
85% More Conditioned*
64% More Hydrated*
*vs. non conditioning shampoo
Infused with POLYPEPTIDES
This smoothing booster nourishes the hair fiber to enhance smoothness, reduce unwanted frizz, provide easier detangling, and leave hair feeling soft.
- Protects against humidity-induced frizz
- Formulated with Polypeptide for added nourishment and smoothness
- Increases hair’s managability
Recommended for frizzy hair looking for smoothness, shine, easy detangling, and manageability in humidity.
86% More Conditioned*
54% More Hydrated*
**vs. non conditioning shampoo
Infused with LACTIC ACID & TARTARIC ACID
This color protecting booster hydrates and seals the outer layer of the hair fiber to preserve color vibrancy for healthier, color treated hair with a beautiful shine.
- Seals hair fiber to preserve color vibrancy
- Nourishes and repairs hair
- Adds softness & shine
- Preserves bright, vibrant hair color
Recommended for color treated hair looking for rich, vibrant hair color with a high shine finish. Ideal for use during both non-color service salon visits or directly after a coloring service.
93% More Conditioned**
*vs. non conditioning shampoo
Infused with PLANT PROTEINS
This strengthening booster reinforces damaged hair for smoother, longer strands with less frizz and more protection from future breakage.
- Hair is instantly strengthened
- Features Protein to reinforce hair fiber
- Adds nourishment and seals cuticle to prevent from future breakage
- Leaves hair softer with a high shine
Recommended for damaged hair looking for stronger, healthier hair with less breakage.
85% More Conditioned*
68% More Hydrated*
*vs. non conditioning shampoo
Curious about your Fusio-Dose blend?
Select a concentre and booster to unlock the transformative benefits that are unique to each Fusio-Dose blend.
*results are vs. non-conditioning shampoo
Fusio-Dose Mix & Match
*results are vs. non-conditioning shampoo
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