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Kérastase

Première Repairing Anti-Frizz Serum for Damaged Hair

4.6 · 746 reviews
5,522 ₽

What it is: A lightweight leave-in serum that protects against heat, humidity and reduces frizz to strengthen and protect against damage for stronger and healthier hair.Hair Texture: Straight and WavyHair Type: Fine, Medium, and ThickHair Concerns:- Damage, Split Ends, and Breakage- Dryness- ShineKey Benefits: - Repels humidity and locks out frizz for smoother hair- Strengthens hair, intensely nourishes, and enhances shine- Protects against heat up to 450°FHighlighted Ingredients:- Peptide: Strengthens hair strands and reduces hair breakage by restoring smoothness.- Glycine: This amino acid penetrates hair's inner layer, dramatically reduces breakage, and helps to neutralize dullness, and stiffness.What Else You Need to Know: Premiere visibly reverses hair damage* through innovative dual-action technology, which repairs bonds & removes calcium build-up for stronger hair inside and out**. Repairs persistent damage, reversing stiffness and dullness caused by calcium build up from your shower water. Leaves hair 99% stronger* & healthier with 75% more shine*** and 93% less breakage**** *Damage linked to frizz, dullness, roughness. Based on an instrumental and consumer test**System of Concentre, bain & fondant *vs. non conditioning shampoo***vs. unwashed hair**** vs. non conditioning shampooFragrance Description: This luxurious scent is comprised of mandarin and citrus top notes, silky and delicate floral middle notes, and finishes with rich woody bottom notes.Clinical Results: In a study vs. unwashed hair:- 85% more shine- Hair is 3 times smoother

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What it is: A lightweight leave-in serum that protects against heat, humidity and reduces frizz to strengthen and protect against damage for stronger and healthier hair.Hair Texture: Straight and WavyHair Type: Fine, Medium, and ThickHair Concerns:- Damage, Split Ends, and Breakage- Dryness- ShineKey Benefits: - Repels humidity and locks out frizz for smoother hair- Strengthens hair, intensely nourishes, and enhances shine- Protects against heat up to 450°FHighlighted Ingredients:- Peptide: Strengthens hair strands and reduces hair breakage by restoring smoothness.- Glycine: This amino acid penetrates hair's inner layer, dramatically reduces breakage, and helps to neutralize dullness, and stiffness.What Else You Need to Know: Premiere visibly reverses hair damage* through innovative dual-action technology, which repairs bonds & removes calcium build-up for stronger hair inside and out**. Repairs persistent damage, reversing stiffness and dullness caused by calcium build up from your shower water. Leaves hair 99% stronger* & healthier with 75% more shine*** and 93% less breakage**** *Damage linked to frizz, dullness, roughness. Based on an instrumental and consumer test**System of Concentre, bain & fondant *vs. non conditioning shampoo***vs. unwashed hair**** vs. non conditioning shampooFragrance Description: This luxurious scent is comprised of mandarin and citrus top notes, silky and delicate floral middle notes, and finishes with rich woody bottom notes.Clinical Results: In a study vs. unwashed hair:- 85% more shine- Hair is 3 times smoother

Customer reviews

5.0
verified purchase
Favorite product ever

I’ve tried ALOT of hair products and this is my number one favorite product. Instantly helps detangle and smooth and adds shine and leaves me hair SOOO soft. Worth the money 10/10 sadly because it’s expensive onfused why

8/13/2026
5.0
verified purchase
Immediate results

Omg immediate results. I’ve had horrible texture and flyaways being postpartum and coloring my hair. I couldn’t believe how different my hair looked and felt the next day just from this! The frizz was abolished.

7/2/2026
4.0
verified purchase
Decent not life changing

[I received this product in exchange for my honest review] A little goes a long way and it absorbs quickly. Doesn’t weight hair down which is a plus. I like the pump style bottle for easy use but also didn’t like I can’t tell when product is low. Not life changing but good.

6/8/2026
5.0
verified purchase
Excellent product!

Amazing product - smells great, does exactly what it says. Even in 90% humidity my hair was pin slick straight. Lightweight and a little goes a long way! Love it!

4/22/2026
5.0
verified purchase
It’s miracle

It’s a miracle! It saved my hair from damage and made it very soft. The only downside is that it’s expensive. I hope they offer a sale or send coupons in the future

3/16/2026
5.0
verified purchase
Long hair? This a must have

I have been using this product for a few weeks and my hair is very shinny.

3/15/2026
4.0
verified purchase
Good serum!

[I received this product in exchange for my honest review] I have enjoyed this hair serum. It is easy to use and leaves hair, feeling soft and silky without being greasy looking. It does have a pleasant smell. I have been using it about a month and can see improvements in my damaged looking hair.

2/16/2026
4.0
verified purchase
Makes my hair really soft

[I received this product in exchange for my honest review] I’m really impressed by this. I usually think things like hair serums are kind of a waste for most people - especially people like me with shorter fine/medium hair - but I really like using this. It makes my hair feel really soft and keeps it like that for a few days between washes. The scent is pretty strong, I like it, it smells very French to me, but I can totally see someone having issues with it. Overall I’m impressed and I’ll continue to use it and likely repurchase.

1/26/2026
4.0
verified purchase
It’s okay serum

The Kérastase serum is an okay product overall. It helps smooth the hair and adds some shine without feeling too heavy. It works well for taming frizz and making hair look more polished, but the results aren’t anything extraordinary for the price. It’s nice for everyday use, but there are similar products that give comparable results.

1/18/2026
4.0
verified purchase
So good

I honestly love this product, I always hesitate because it’s a bit pricey but I keep repurchasing because it’s so amazing

7/13/2026