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K Rastase Resistance, Conditioning Leave-In Scalp & Hair Serum, For Long Hair, With Ceramides, S Rum Extentioniste, 50Ml

  • Regular price $87.84
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Brand: K脡Rastase

Type: Hair Serum

Sku: WBZABB07D58FSWY

Availability: Sold Out


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Beauty & Skincare Safety Advisory

Perform a patch test before first use — apply a small amount to your inner wrist and wait 24 hours. Discontinue use immediately if redness, itching, or irritation occurs.

Avoid direct contact with eyes. If contact occurs, rinse thoroughly with water. Keep all beauty and skincare products out of reach of children.

Consult a dermatologist before use if you have sensitive skin or known allergies.

K-Beauty & Cosmetic Ingredient Notice

Always check the full ingredient list before use, especially if you have known sensitivities to common cosmetic ingredients. Product formulations may vary by batch.

For external use only. Do not ingest. Store in a cool, dry place away from direct sunlight.


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K Rastase Resistance, Conditioning Leave-In Scalp & Hair Serum, For Long Hair, With Ceramides, S Rum Extentioniste, 50Ml

$87.84

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Frequently Asked Questions

  • Q: What size is the Kérastase Resistance Conditioning Leave-In Scalp & Hair Serum? A: The serum is fifty milliliters in size. This compact size makes it convenient for use at home or on the go.
  • Q: What are the key ingredients in this hair serum? A: The serum contains ceramides as its primary ingredient. Ceramides help to repair and strengthen hair fibers from within.
  • Q: Is this serum suitable for all hair types? A: Yes, it is suitable for all hair types. It is especially beneficial for damaged and sensitized hair.
  • Q: How do I apply the Kérastase serum? A: Apply three pipettes of serum to the scalp once or twice per week. Massage it into the roots and scalp before styling.
  • Q: Can I use this serum if I have oily hair? A: Yes, the serum is non-greasy and suitable for oily hair types. It won’t weigh your hair down.
  • Q: How often should I use this leave-in serum? A: It is recommended to use the serum once or twice per week. This frequency helps promote healthy hair growth.
  • Q: What is the best way to store the serum? A: Store the serum in a cool, dry place away from direct sunlight. This will help maintain its effectiveness.
  • Q: Is this product safe for sensitive scalps? A: Yes, it is designed to be gentle and can be used on sensitive scalps. It also helps to purify and protect the scalp.
  • Q: How should I clean my scalp before applying the serum? A: It is best to wash and condition your hair before application. This ensures the scalp is clean for optimal serum absorption.
  • Q: What if the serum arrives damaged? A: If the serum arrives damaged, you should contact customer support for a replacement or refund. They typically have a straightforward return policy.
  • Q: Can I use this serum with other Kérastase products? A: Yes, it is recommended to use it with the Extentioniste Shampoo and Conditioner. Together, they enhance hair strength and health.
  • Q: Is this serum tested on animals? A: No, Kérastase products are cruelty-free. They do not conduct animal testing.
  • Q: Will this serum help reduce split ends? A: Yes, it helps reduce split ends by repairing hair fibers and improving elasticity. This leads to healthier hair overall.
  • Q: Does this serum have a fragrance? A: Yes, the serum has a pleasant, light fragrance. It enhances the overall experience of application.
  • Q: How long does one bottle of serum last? A: One bottle typically lasts for several weeks with regular use. The exact duration will depend on your application frequency.