Product details Kérastase Première Repairing Anti-Frizz Filler Heat Protecting Hair Serum [STEP 4- PROTECT & REPAIR] deeply repairs all levels of damage for all hair types, protecting against further breakage. This includes damage from heat styling, over-processing, colour treatment, bleaching, and even water in your shower.Formulated with a concentration of Peptides, this professional leave-in Serum penetrates hair's inner layer, to help deeply repair and refill hair surface.With its white balmy texture, the leave-in Serum helps seals the cuticles of damaged hair, while filling over external damage to the fibre and protecting against heat up to 230°C. Hair is left glossy and supple.Think of it like a skincare routine for your hair. Apply the Pre-Shampoo Treatment generously before the shower to damp hair, then after 5 minutes, layer the Shampoo directly on top and lather. Rinse and finish with the Repairing Conditioner, and seal the deal with Première Repairing Anti-Frizz Filler Serum as a final step.The Heat Protecting Serum helps:Provide up to 3x smoother hair*Provide up to 2x softer hair*Provide up to 72H anti-frizz*Protect your hair from heat, up to 230°C*95% of women agree hair looks radically healthy***Instrumental test**Consumer perception test, 84 women. Suitable for All Hair TypesDamaged How to use STEP 1 – ACTIVATE REPAIRStart by applying the Pre-Shampoo Hair Treatment generously before the shower to damp hair. Leave in for 5 minutes. Do not rinse.STEP 2 – CLEANSE & REPAIRAfter 5 mintues, layer directly on top with the Deep Repairing Shampoo. Apply and massage, then rinse thoroughly and towel dry hair.STEP 3 – CONDITION & REPAIRApply the Deep Repairing Conditioner on lengths, massage then rinse.Twice a week, apply the Anti-Breakage Repairing Filler Mask on top of the Conditioner. Massage and twist through lengths. Leave in for 10 minutes.STEP 4 – PROTECT & REPAIRApply the Repairing Anti-Frizz Filler Serum on lengths of towel-dried hair to protect hair from damage and heat up to 230°C*, blow dry and heat style. Do not rinse.To finish your Première routine, apply 1 or 2 drops of Intensive Shine Repairing Oil to damp or dry hair to nourish lengths and split ends. *Instrumental test Hazards and Cautions In case of contact with eyes, rinse them immediately Important info Ingredients AQUA / WATER / EAU • ISOPROPYL MYRISTATE • DIMETHICONE • TRIETHANOLAMINE • AMODIMETHICONE • PARFUM / FRAGRANCE • PHENOXYETHANOL • CARBOMER • POLYQUATERNIUM-4 • POTATO STARCH MODIFIED • LIMONENE • HYDROXYPROPYL GUAR • BEHENTRIMONIUM CHLORIDE • HYDROLYZED VEGETABLE PROTEIN PG-PROPYL SILANETRIOL • GLYCINE • TRIDECETH-6 • ISOPROPYL ALCOHOL • LINALOOL • CETRIMONIUM CHLORIDE • CITRAL • COUMARIN • BENZYL SALICYLATE • SODIUM BENZOATE • BENZYL ALCOHOL • CITRONELLOL • ALPHA-ISOMETHYL IONONE • POTASSIUM SORBATE • GERANIOL (F.I.L. N70029932/1).