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Kérastase resistance extentioniste thermique hair treatment product tube against a white background.
A tube of kérastase length caring gel cream for blow-dry hair care on a simple white background.
Three cosmetic ingredients displayed in petri dishes: creatine, taurine, and ceramide.

Kérastase

Résistance – Extentioniste Thermique – 150ml

Heat Protecting Gel Cream For Long Hair

(6 customer reviews)

$67.00

In stock

Purchase this product now and earn 67 Pomme Points!

Protect your hair’s growth potential with Kérastase Résistance Extentioniste Thermique. This heat-protective blow-dry cream shields strands from temperatures up to 230°C while strengthening weak hair, reducing breakage, and creating smooth, manageable lengths that are ready to grow.

Perfect If You Have:

  • Hair that breaks from heat styling tools
  • Weak and or fragile strands that need strengthening and protection
  • Frizzy or unruly hair that requires daily blow-drying
  • Colour-treated or chemically processed hair needing extra defence

Why You’ll Love It:

  • Advanced heat protection – Shields hair from damage up to 230°C (446°F)
  • Strengthens while styling – Fortifies weak strands during your daily routine
  • Smooth, frizz-free finish – Creates sleek, manageable hair that moves naturally
  • Lightweight protection – Won’t weigh hair down or leave sticky residue

Key Ingredients:

  • Creatine R Complex – Penetrates to strengthen from within

  • Ceramides – Smooth the cuticle and lock in moisture for shine and resilience

  • Taurine – Protects follicles and nourishes lengths for long-lasting health

Pomme Pro Tip:
 For the ultimate length-retention routine, use Extentioniste Thermique as your daily heat protectant alongside the Bain Extentioniste shampoo, Fondant Extentioniste conditioner, and weekly Sérum Extentioniste treatments. Your hair will stay strong and protected while you style.

Product Highlights

  • Damaged Hair
  • All Hair Types
  • Kérastase Full-Size
    • Apply a coin-sized amount to damp hair.
    • Start at the ends and work your way to the root.
    • Apply as your first styling product, and follow with any additional styling products.
    • This product must be blow-dried into hair; do not apply if air-drying.

  • Aqua/ Water/ Eau/ Isopropyl Myristate/ Dimethicone/ Triethanolamine/ Amodimethicone/ Phenoxyethanol/ Carbomer/ Polyquaternium-4/ Potato Starch Modified/ Hydroxypropyl Guar/ Behentrimonium Chloride/ Trideceth-6/ Amyl Cinnamal/ Hexyl Cinnamal/ Ispropyl Alcohol/ Benzyl Alcohol/ Linalool/ Hydroxycitronellal/  Cetrimonium Chloride/ Citronellol/ Limonene/ Benzyl Cinnamate/ Creatine/ 2-Oleamido/ 1,3-Octadecanediol/ Taurine/ Parfum/ Fragrance

    1. Do I need to use this every time I heat style? 
      Yes, always apply Extensioniste Thermique before using any heat tools, blow dryers, flat irons, curling irons, or hot brushes. It creates an essential protective barrier that prevents damage and breakage from high temperatures.
    2. How much product should I use?
       Use 1-2 pumps depending on your hair length and thickness. Start with 1 pump for fine or shoulder-length hair, and use 2 pumps for thick or long hair. Apply from mid-lengths to ends, avoiding the roots.
    3. Can I use this on wet or dry hair?
      Apply to towel-dried, damp hair for best results. The product distributes more evenly on damp hair and provides optimal heat protection. Avoid applying to completely wet or dry hair.
    4. Will this make my hair greasy or weigh it down?
       No, the lightweight formula is designed to protect without heaviness or greasiness. It absorbs quickly and won't leave sticky residue. If your hair feels weighed down, try using less product or focusing the application on the ends.
    5. What's the maximum temperature this protects against?
      Extentioniste Thermique provides heat protection up to 230°C (446°F), which covers all standard styling tools, including professional flat irons and blow dryers. This high level of protection helps prevent thermal damage and breakage.
    6. Can I use this with other styling products?
      Yes, apply Extensioniste Thermique first to clean, damp hair, then add other styling products like mousses, gels, or finishing serums. Always use the heat protectant as your base layer before any other styling products.
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