Price from
43.63 EUR

Kerastase Sérum Extentioniste, 50 millilitre

The Kérastase Resistance Serum Extentioniste is a 50ml scalp and hair serum designed to fortify and prolong the longevity of hair extensions.

 Stores where to buy this product

Sponsored  This site contains affiliate links for which we may receive compensation. More information
This product has not been found in any sponsored store recently, please check similar products from our sponsors or review other stores we offer where you may find the product.

 Other stores where to find this product

Offers marked with this badge are promoted without sponsorship, although we try to keep prices up to date, these results are not updated daily like sponsored results. Please check the final price on the offer link.

 Similar products

Sponsored


CHECK PRODUCTS/PRICES ON THE WEBSITE

Kerastase Sérum Extentioniste – The Ultimate Long‑Hair Growth Booster

Kerastase Sérum Extentioniste is a highly concentrated leave‑in serum designed specifically for long, damaged hair that needs both nourishment and stimulation of growth from the roots. Packaged in a 50 ml bottle, this lightweight formula delivers powerful results without weighing hair down.

Key Features & Benefits

  • Growth‑Stimulating Formula: The serum is enriched with active ingredients such as ceramides, creatine, and a proprietary blend of growth factors. These components work synergistically to strengthen the hair shaft, reduce breakage, and encourage healthy follicular activity.
  • Leave‑In Protection: Unlike many treatments that require rinsing, this serum can be left in for maximum absorption. It forms a protective film around each strand, shielding it from environmental stressors like heat styling, UV rays, and pollution.
  • Scalp Revitalisation: A unique scalp‑activating complex targets the dermal layer, improving circulation and delivering nutrients directly to hair follicles. This dual action on scalp and hair shaft ensures a comprehensive approach to long‑hair care.
  • Lightweight Texture: Despite its potency, the serum has an airy consistency that blends seamlessly into wet or dry hair without leaving residue or greasiness.
  • Suitable for All Hair Types: Whether your hair is straight, wavy, curly, or coiled, this product adapts to your texture, providing balanced nourishment and growth support.

How to Use the Sérum Extentioniste

  1. Apply to Damp Hair: After washing and towel‑drying, dispense a small amount of serum into the palm of your hand.
  2. Distribute Evenly: Rub hands together and run through hair from mid‑length to ends. Focus on the scalp by gently massaging with fingertips to stimulate blood flow.
  3. Style as Usual: Allow the serum to absorb fully before blow‑drying, straightening, curling, or air‑drying your hair.

Why Choose Kerastase Sérum Extentioniste?

The Sérum Extentioniste stands out in a crowded market because it combines scientifically backed growth stimulation with everyday practicality. Its leave‑in nature means you can incorporate it into any routine, while the active ingredients deliver visible improvements over time:

  • Visible Length Increase: Users report measurable gains in hair length after consistent use.
  • Reduced Breakage: The strengthening agents help prevent split ends and breakage during styling or brushing.
  • Enhanced Shine & Texture: Hair feels smoother, looks shinier, and responds better to heat tools.

Ingredients Spotlight

The serum’s formula is carefully curated to target both the scalp and hair shaft. Key components include:

  • Ceramides: Replenish natural lipids, sealing moisture within the cuticle.
  • Creatine: Strengthens protein structure, reducing brittleness.
  • Growth Factor Complex: Encourages follicular activity for healthier hair growth cycles.
  • Antioxidants: Protect against oxidative stress from environmental factors.

Customer Experience & Results

Many users share stories of dramatic transformation after using the Sérum Extentioniste. Common themes include:

  • Longer, Fuller Hair: Consistent application leads to noticeable length gains and a fuller appearance.
  • Improved Scalp Health: Reduced itchiness and flakiness as the scalp receives better nourishment.
  • Versatility in Styling: The serum’s lightweight nature allows for effortless styling without buildup.

Final Thoughts

If you’re looking for a professional‑grade solution to strengthen, protect, and stimulate growth of long hair, the Kerastase Sérum Extentioniste 50 ml offers an elegant blend of science and simplicity. Its leave‑in design, potent active ingredients, and universal compatibility make it a standout choice for anyone committed to achieving healthier, longer strands.

Embrace the power of targeted growth support and let your hair thrive with every drop of this exceptional serum.


This product in Comparor
Category
This product is cataloged in our store in these categories
International
Find this product in one of our international stores
at
37.99 EUR
ch
38.33 CHF
de
50.56 EUR
es
39.86 EUR
ar
182.99 ARS
cl
63.80 CLP
mx
1673.00 MXN
pe
uy
be
41.60 EUR
fr
42.25 EUR
ma
413.91 MAD
dz
63.80 DZD
it
40.08 EUR
Colors
Predominant colors of the product
Tags Serum 50ml Resistance Serum Extentioniste
Identifiers
Brand Kerastase
Kerastase is a high-end haircare brand that was founded in France in the 1960s. The brand is known for its luxurious haircare products that are designed to improve the condition of the hair. Kerastase products are available in salons and online.
Model Kerastase 3474636636341
MPN Kerastase 3474636636341
ID 13263388
Dimensions / Weight
Key Features

Related articles

Kérastase Blond Absolu Cicaplasme: A heat protectant serum designed for blondes and highlighted hair to nourish, repair, and maintain color while providing thermal protection. 150ml.
Kérastase Nutritive 8H Magic Night Serum 90 mL - A revitalizing, regenerative leave-in night serum for hair.
Kérastase Chronologiste Bain Régénérant Fortifying and Revitalising Shampoo with anti-ageing effect, 250 ml.
Kérastase Première Sérum Filler Fondamental is a leave-in serum designed to treat hair brittleness and repair damaged hair. It provides anti-frizz benefits and fills in gaps on the hair shaft for smooth, healthy-looking locks. 90ml.
Instantly heals and seals the ends of the hair. - Split ends appear reduced. - High heat protection of up to 230°. - Combines oil-based care with cream-textured top coat - Size:30ml
Kérastase K Symbio Cellular Serum is an intensive night serum that helps to combat dandruff and strengthen hair. It contains a blend of ingredients that nourish the scalp and promote healthy hair growth. The serum comes in a 90ml bottle.
🤖 Hello! I'm your virtual assistant. I can help you find products, compare prices and answer questions about your orders. Where should we start?
Chatbot service provided thanks to Gemini 3 / OpenAI using Comparor’s database. The AI may make mistakes — always verify the information.
Comparor AI BETA
Online
Restart the conversation?