Kérastase
Résistance
Sérum Extentioniste
Scalp Care | Length Strengthening | Healthy Growth Support
$64.00
Size: 50ml
Delivered your way—pickup, local drop-off, or shipping
Salon Professional
Authentic Guarantee
Targets The Root
Supports hair from the scalp for stronger looking lengths.
Strengthens Hair
Helps reinforce fragile hair through the lengths.
Supports Length Goals
Helps long hair look healthier, stronger, and more resilient.
Designed For
Key Ingredients
Creatine R — Helps reinforce weakened hair.
Ceramides — Help support elasticity, moisture retention, and strength.
Ceramides — Help support elasticity, moisture retention, and strength.
How to Use
1. Apply to clean, towel-dried hair.
2. Use 2 pipettes for fine hair or 4 pipettes for thick hair.
3. Apply directly to the scalp in sections.
4. Massage through the roots and scalp, then comb through.
5. Leave in and use at least 3 times weekly.
2. Use 2 pipettes for fine hair or 4 pipettes for thick hair.
3. Apply directly to the scalp in sections.
4. Massage through the roots and scalp, then comb through.
5. Leave in and use at least 3 times weekly.
Complete Your Routine
Build your complete routine for healthier-looking hair, tailored to your needs.
Designed for weakened hair looking to grow longer, Sérum Extentioniste is a scalp and hair serum that supports the feel of stronger roots and healthier looking lengths. It helps reinforce the hair fiber while keeping the scalp feeling cared for.
Ingredients may change from time to time. Please refer to product packaging for the most up-to-date ingredient listing. AQUA / WATER • POLYQUATERNIUM-37 • PARAFFINUM LIQUIDUM / MINERAL OIL • AMODIMETHICONE • POLYSORBATE 20 • QUATERNIUM-87 • STEARYL ALCOHOL • MENTHOXYPROPANEDIOL • BEHENTRIMONIUM CHLORIDE • SAFFLOWER GLUCOSIDE • MALTODEXTRIN • PROPYLENE GLYCOL • CANDELILLA CERA / CANDELILLA WAX • PPG-1 TRIDECETH-6 • PROPANEDIOL • CHLORHEXIDINE DIGLUCONATE • ISOPROPYL ALCOHOL • TRIDECETH-6 • ACRYLATES COPOLYMER • SORBITAN OLEATE • POLYQUATERNIUM-11 • ROSE EXTRACT • 2-OLEAMIDO-1,3-OCTADECANEDIOL • CETRIMONIUM CHLORIDE • CAMELLIA SINENSIS LEAF EXTRACT • XANTHAN GUM • TOCOPHEROL • BHT • SODIUM CITRATE • PARFUM / FRAGRANCE
Orders typically ship within 1–2 business days. Returns are accepted in accordance with our Shipping & Returns policy.
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