KÉRASTASE Discipline Fluidissime Frizz-Reducing Leave-In Spray, Heat Protectant up to 450°F, Lightweight Shine

KÉRASTASE Discipline Fluidissime is a lightweight leave-in spray that tames frizz, smooths flyaways and adds shine while providing thermal protection up to 450°F.

This leave-in treatment from KÉRASTASE’s Discipline line is formulated to make unruly hair easier to style and control. Enriched with Morpho-Keratin and Xylose, Fluidissime targets rough, porous strands to even the hair fiber, speed up blow-drying and deliver lasting frizz management without weighing hair down. Use it on towel-dried hair before air-drying or heat-styling to maintain smoother, shinier results for up to 72 hours.

How does Fluidissime reduce frizz and smooth flyaways?

Fluidissime coats the hair fiber with a lightweight formulation that helps align cuticles and reduce humidity-induced swelling. The Morpho-Keratin blend evens out texture while Xylose helps maintain hydration balance, producing a sleeker surface and visible shine.

• Limits frizz for up to 72 hours with regular use
• Smooths flyaways for a polished finish
• Delivers instant shine without heaviness

Will this product protect my hair during heat styling?

Yes — Fluidissime is designed as a heat-protectant leave-in spray that shields strands during blow-drying and hot tools. It provides thermal protection up to 450°F, helping reduce the impact of high temperatures when styling.

• Protects against heat damage from blow dryers and styling tools
• Helps speed up blow-dry time for more efficient styling
• Works under both air-dry and blow-dry routines

How do I apply Fluidissime for best results?

Apply to clean, towel-dried hair for optimum performance: shake the bottle, spray 4–5 times through lengths, and distribute with fingertips or a comb. Follow with either air-drying for a naturally smooth look or blow-drying for extra sleekness; the product is leave-in and should not be rinsed out.

• Shake well; spray 4–5 pumps onto towel-dried hair
• Work through from mid-lengths to ends, then comb evenly
• Finish by air-drying or blow-drying—do not rinse

Can I use Fluidissime with other Discipline products?

Fluidissime is formulated to complement the KÉRASTASE Discipline shampoo, mask and finishing treatments. When used together, they create a complete routine that cleanses, detangles, smooths and protects hair for longer-lasting manageability and shine.

• Pair with Discipline shampoo to strengthen and cleanse
• Use the mask for deeper detangling and fiber restoration
• Finish with the anti-frizz spray for thermal protection and shine

Who is this for? KÉRASTASE Discipline Fluidissime is ideal for anyone with frizz-prone, unruly or chemically/texturally treated hair who wants a lightweight, leave-in solution to smooth fibers and protect during heat styling. It suits those seeking faster blow-dry times, improved shine and controlled flyaways without added weight—perfect for daily styling or as part of a disciplined smoothing routine.

Ingredients

Water, Amodimethicone, Trideceth-5, Peg-40 Hydrogenated Castor Oil, Polyquaternium-37, Propylene Glycol Dicaprylate/Dicaprate, Glycerin, Trideceth-10, Phenyl Trimethicone, Phenoxyethanol, Arginine, Glutamic Acid, Ppg-1 Trideceth-6, Benzyl Salicylate, Serine, Hydroxypropyltrimonium Hydrolyzed Wheat Protein, Chlorhexidine Digluconate, Benzyl Alcohol, Quaternium-87, 2-Oleamido-1,3-Octadecanediol, Xylose, Linalool, Alpha-Isomethyl Ionone, Geraniol, Citronellol, Cinnamyl Alcohol, Fragrance.