Première : Serum Filler Fondamental Hair Serum

4.8 129 reviews
Première : Serum Filler Fondamental Hair Serum
Kérastase Première Sérum Filler Fondamental is a lightweight leave-in treatment for the inner repair ... Learn more

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  • Details

    Kérastase Première Sérum Filler Fondamental is a lightweight leave-in treatment for the inner repair of all types of damaged hair, leaving it glossy and supple.

    Because of its increased porousness, processed hair absorbs 3 times more calcium from water than untreated hair, leading to a damaging calcium overdose which is visible inside and outside the hair fiber. Kérastase Sérum Filler Fondamental has a dual action: its light, balmy texture seals the cuticles to shield hair’s surface, while filling the fiber and reinforcing hair strength. Your hair is protected from the calcium damage of hard water, as well as from humidity, and heat up to 230°C. Frizz is eliminated, and hair is left smooth and supple, easy to style.

    For even more care for your bleached or damaged hair, combine with the rest of the Première range. Try the maximum power of the layering technique: Start with the pre-shampoo treatment, Kérastase Concentré Décalcifiant Ultra-Réparateur, then without rinsing off the Concentré, use the shampoo, Kérastase Bain Décalcifiant Réparateur on top. Follow with the conditioner or mask before applying Kérastase Sérum Filler Fondamental as a final repair step.

    72H Anti-Frizz*

    *Instrumental test

    Read more

  • How to use

  • Ingredients

  • Details
  • How to use
  • Ingredients

Kérastase Première Sérum Filler Fondamental is a lightweight leave-in treatment for the inner repair of all types of damaged hair, leaving it glossy and supple.

Because of its increased porousness, processed hair absorbs 3 times more calcium from water than untreated hair, leading to a damaging calcium overdose which is visible inside and outside the hair fiber. Kérastase Sérum Filler Fondamental has a dual action: its light, balmy texture seals the cuticles to shield hair’s surface, while filling the fiber and reinforcing hair strength. Your hair is protected from the calcium damage of hard water, as well as from humidity, and heat up to 230°C. Frizz is eliminated, and hair is left smooth and supple, easy to style.

For even more care for your bleached or damaged hair, combine with the rest of the Première range. Try the maximum power of the layering technique: Start with the pre-shampoo treatment, Kérastase Concentré Décalcifiant Ultra-Réparateur, then without rinsing off the Concentré, use the shampoo, Kérastase Bain Décalcifiant Réparateur on top. Follow with the conditioner or mask before applying Kérastase Sérum Filler Fondamental as a final repair step.

72H Anti-Frizz*

*Instrumental test

Apply on towel-dried hair.
Leave-In. Blow-dry and heat style.

AQUA / WATER / EAU ●
ISOPROPYL MYRISTATE ●
DIMETHICONE ●
TRIETHANOLAMINE ●
AMODIMETHICONE ●
PARFUM / FRAGRANCE ●
PHENOXYETHANOL ●
CARBOMER ●
POLYQUATERNIUM-4 ●
POTATO STARCH MODIFIED ●
LIMONENE ●
HYDROXYPROPYL GUAR ●
BEHENTRIMONIUM CHLORIDE ●
HYDROLYZED VEGETABLE PROTEIN PG-PROPYL SILANETRIOL ●
GLYCINE ●
TRIDECETH-6 ●
ISOPROPYL ALCOHOL ●
LINALOOL ●
CETRIMONIUM CHLORIDE ●
CITRAL ●
COUMARIN ●
BENZYL SALICYLATE ●
SODIUM BENZOATE ●
BENZYL ALCOHOL ●
CITRONELLOL ●
ALPHA-ISOMETHYL IONONE ●
POTASSIUM SORBATE ●
GERANIOL ●

Reviews

4.8/5
129 reviews
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  • 1 Rating star
4.8/5
129 reviews
Rating star Rating star Rating star Rating star
  • 5 Rating star
  • 4 Rating star
  • 3 Rating star
  • 2 Rating star
  • 1 Rating star

Sarah A

Age: 25 إلى 34

23/10/2024

5/5
Verified buyer

BEST HAIR CARE RANGE EVER

I have been using Kerastase products for quite some time now with excellent results. Prior to this my hair was very damaged from bleaching and heat styling. My hair had improved considerably since using Kerastase, but due to the amount of damage I had, I still had a bit of a journey ahead of me. When I heard about the Premiere range I thought; can it really make that much of a difference? After much consideration I bit the bullet and purchased the entire range. All I can say is that even after the first wash; I could feel a massive difference in my hair. This entire range is absolutely elite. My hair is the healthiest it has even been. My roots do not get as oily. My ends are no longer dry and my scalp is no longer itchy two days after washing my hair. I was sceptical about whether or not a new product range would make that much difference to my hair but it has. My hair feels smoother, shiner and so much stronger. I use the entire range as directed and it has been an absolute game changer for me. I will be a lifelong buyer of these products. Thank you Kerastase!

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Recommend this product: Yes

Originally posted on kerastase.com.au

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Kams

08/09/2024

2/5
User Review without direct purchase

Wouldn't buy again

Wasn't blown away by the product itself but was massively frustrated that due to the focus on the look of the packaging rather than function, there was a ridiculous amount of product stuck all round the sides and bottom of the metal container that you couldn't get out once the pump stopping working. A plastic bottle would've at least helped to squeeze it out. It's a big no from me.

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Originally posted on kerastase.co.uk

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Tracy

Age: 45 إلى 54

13/06/2024

5/5
Verified buyer

Highly recommend this premium product range

I bought the full Premiere range as an attempt to revive my very damaged bleached hair. I did get a hefty trim of the ends and have used the range a total of 3 times so far. I have 2B curls/waves, thin but a lot of it, very porous and frizzy. I do feel the need to heat style my hair smooth and that is where I have really seen the difference. It is shiny, soft and smooth already and not like my old straw bird's nest it previously was. Highly recommend the range or even part of the range of your budget allows it. So far I have found it really good value for what it has achieved with my hair. This was my last stop before a pixie cut.

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Recommend this product: Yes

Originally posted on kerastase.com.au

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Samantha

Age: 45 إلى 54

24/05/2024

4/5
Verified buyer

Great but...

Great product & would receive 5 stars had the pump bottle been better, its sych a lit of effort just to get some of the product out of the bottle.

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Originally posted on kerastase.com.au

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rostasthompson

19/05/2024

3/5
User Review without direct purchase

Its not bad.

I only saw results using the whole line together. Using this with other products didn't give me the results I was hoping for. Not worth the price in my opinion.

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MilaOrdonez

29/03/2024

5/5
Testers' review

A really good serum, I like it!!!

This serum is creamy and smells amazing. It leaves my hair soft and less frizzy. It definitely helps my damaged hair. I received this product for free from Topbox Marketing for testing and review purposes.

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Recommend this product: Yes

Originally posted on sephora.com

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Jasmine2022

29/03/2024

5/5
Testers' review

Helps frizz

This Serum really helps my hair. Not only does it feel more moisturized but it helps decrease the frizz. I received this product for free from Topbox Marketing for testing and review purposes.

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Recommend this product: Yes

Originally posted on sephora.com

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saby77

28/03/2024

5/5
Testers' review

For soft and a smooth hair

I received this product from Topbox circle program as a complementary gift for free to testing and gives my honest review about it I was absolutely surprised by the results of this miracle serum filler It works well with my hair it protects perfectly from the heat and styling tools This leave in anti breakage filler works to seal and fill hair from the breakage Highly recommend

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Recommend this product: Yes

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Roxana01

28/03/2024

5/5
Testers' review

Your hair will thank you

I was super excited to try The Kerastase Serum Filler ,as I have thick long hair that I straigthen daily. I was looking for a long time for something to keep in my hair all the silkiness and shine. My hair has never looked so nice after years of daily straightening and styling. I would definitely recommend trying the Kerastase Serum Filler and will definetly continue to use. I received this product for free from Topbox Marketing for testing and review purposes.

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Recommend this product: Yes

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ashleymeg

27/03/2024

4/5
Testers' review

sleek hair

I received this product free from top box circle for my review. Using the whole line my hair has felt almost lighter and super soft. If you are not a fan of scents I would avoid this as it has a strong scent that lasts (for me that's a plus). For the serum you only need a small amount and it will smooth your frizz. Removed one star for price

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Recommend this product: Yes

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Bissey

26/03/2024

5/5
Testers' review

A Must Try!

I enjoyed this more than i had originally imagined. This is my first hair serum product and it was surprisingly positive! The product smell nice, it was lightweight and it wasn't as gooey and sticky as i had imagined. My hair does feel healthier after integrating this serum into my routine. Would definitely recommend giving this a try if you have damaged hair. I received this product for free from Topbox Marketing for testing and review purposes.

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Recommend this product: Yes

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diso21

25/03/2024

5/5
Testers' review

SILKY HAIR!!

The Kerastase Serum Filler is just a perfect way to seal in the silkiness and shine to my hair. My hair has never looked so nice after years of dying and bleaching. I would definitely recommend trying the Kerastase Serum Filler. I received this product for free from Topbox Marketing for testing and review purposes.

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Recommend this product: Yes

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ema84

25/03/2024

5/5
Testers' review

Anti frizz serum

I received this product free from topbox marketing for my honest review.I apply this serum on my towel dried hair. This is cream based serum and it smells amazing. It leaves my hair soft silky, shiny and less frizzy.I would definitely recommend this serum for dry and damaged hair.

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Recommend this product: Yes

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Aly0707

23/03/2024

4/5
Testers' review

Nice heat protectant

I received this product for free from Topbox Marketing for testing and review purposes. This is an easy to use heat protectant! It absorbs quickly and nicely into the hair and keeps it from getting frizzy. It smells nice and doesn’t weigh my hair down!

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Kérastase offers luxury care for exceptional hair since 1964. Combining professional haircare know-how and the best of L’Oreal Advanced Research through iconic routines.