KÉRASTASE Resistance Therapiste Hair Mask 6.8 fl oz — Repairing, Deeply Nourishing Treatment for Severely Damaged Hair

This rich mask is formulated for hair that has been weakened by chemical services, heat styling or mechanical stress. It combines proteins and native plant cells to penetrate the fiber, replenish hydration and reinforce the hair structure so strands are less prone to breakage. The creamy texture spreads easily, works into each strand and rinses out to reveal smoother, more manageable hair.

How does this mask restore strength to very damaged hair?

The formula targets weakened points along the hair fiber and deposits rebuilding ingredients that help reconnect the structure. Over time and with repeated use, treated strands feel denser and more resilient to daily wear.

• Contains wheat protein to reinforce fiber and improve elasticity
• Native plant cells help support surface repair and shine
• Creamy, penetrating texture reaches mid-lengths to ends where damage concentrates

How should I use the mask for best results?

Use on clean, wet hair after shampooing: apply a small, quarter-size amount from mid-length to ends and distribute strand by strand. Leave it on for 5–10 minutes to allow the active ingredients to work, then rinse thoroughly; it’s gentle enough for frequent use if your hair needs ongoing repair.

• Apply to towel-dried hair after Resistance shampoo for optimal absorption
• Massage through hair to ensure even coverage of stressed zones
• Use regularly—weekly or more often for severely over-processed hair

Will this product help reduce breakage and improve manageability?

By rebuilding and smoothing the hair surface, the mask reduces friction and weak points that lead to snapping and split ends. Hair becomes easier to detangle and style, with a softer, more uniform finish after repeated applications.

• Strengthens fibers to lower the chance of breakage during styling
• Restores touchable softness for easier combing and drying
• Adds reflective shine that visually masks rough, damaged cuticles

Who is this for: KÉRASTASE Resistance Therapiste Hair Mask is designed for people with very damaged, over-processed or weakened hair seeking an intensive reconstructing treatment. It’s suitable for chemically treated lengths, heat-stressed styles and hair that needs both deep nourishment and structural reinforcement. Pair it with the Resistance Extentioniste shampoo and conditioner for a complete routine that focuses on rebuilding and protecting compromised hair.

Ingredients

Water, Cetearyl Alcohol, Paraffinum Liquidum / Mineral Oil, Orbignya Oleifera Seed Oil, Dipalmitoylethyl Hydroxyethylmonium Methosulfate, Fragrance, Cetyl Esters, Cetrimonium Chloride, Caprylyl Glycol, Linalool, Citric Acid, 2-Oleamido-1,3-Octadecanediol, Citronellol, Bht, Glycine, Arginine, Proline, Tyrosine, Glutamic Acid, Geraniol, Serine, Hydroxypropyltrimonium Hydrolyzed Wheat Protein, Benzyl Alcohol, Safflower Glucoside, Isoeugenol, Glycerin, Trehalose, Tamarindus Indica Seed Polysaccharide, Myrothamnus Flabellifolia Leaf Extract.