Reviews & comments

Rating: 4.4Based on 13 reviews
  • Most helpful positive
    The post was made 4 days
    Rating: 4 out of 5

    Luxurious leave-in serum

    A serum with a luxurious feel that makes hair soft and frizz-free. The product comes in a nice bottle with a pump. I have curly and quite frizzy hair and use heat tools daily, which of course takes a toll on my hair. When I use the product, my hair becomes smooth, shiny, and looks significantly less frizzy and healthier. I have applied it to the lengths on damp hair after showering and then blow-dried my hair dry. The result is so good that I hardly need to use a flat iron, which I usually do. The product feels luxurious and smells very good, which is a big plus for me. It stays smooth and shiny all the way until the next shower. The only reason the product doesn't get 5/5 is that I think it's a bit expensive. I am participating in a test panel and have received a free test product.
    231 views
  • The post was made 1 day
    Rating: 4 out of 5

    Incredible!

    I have hair that has been bleached more times than it should have. I have tried many leave-in products before that I thought were nice, but often the effect is right after the shower, for example. When the hair is freshly done, and after a day the hair feels the same again. With this, the hair had an incredible feel when it was dried and styled, and already the next day I felt, okay… This hangs in. The feeling can be described as soft, shiny, freshly cut. There are a few days between my hair washes and the effect of the soft, airy, and frizz-free hair lasts between showers, has NEVER happened before. BUT. To the most impressive part. I had to undergo surgery and take a proper surgical shower (not fun for hair), and the effect in the hair was like it stayed!? The hair felt soft and nice despite the “intensive surgical wash.” Would never have happened otherwise with my hair that freaks out if the wrong conditioner sneaks in. The scent is intense but luxurious. The packaging is solid. - Not so economical, requires a good number of pumps for my hair. But then I have hair for a whole company too. - The price. Fantastic product. I have never experienced anything like it but still don’t know if it can be justified. All in all. Fantastic. Will I buy again? Yes, but in all honesty, only if there’s some kind of campaign💸🫶🏼 I am participating in a test panel and received a free test product.
    147 views
  • The post was made 1 day
    Rating: 3 out of 5

    Soft Hair

    I had high hopes for this product. I have hair that easily gets frizzy and tangles. My hair has become softer with the help of this leave-in serum, maybe a bit shinier, the product is easy to apply to wet hair and has a good consistency. Unfortunately, my hair still gets frizzy and other products need to be added to get rid of the frizz. So just this product didn't help my hair. So it didn't live up to my expectations for my hair. I am participating in a test panel and received a free test product.
    194 views
  • The post was made 1 day
    Rating: 3 out of 5

    Review

    I tested the Kérastase Sérum Filler Fondamental Hair Serum, but unfortunately it didn't suit my hair particularly well. I found the scent to be a bit too masculine for my taste – more like a men's product than something neutral or fresh. When I applied it to my hair, it felt like the strands had a rubbery texture and almost bounced back when I tried to brush through it. Additionally, it felt like the hair strands stuck together, making the hair stiff and difficult to detangle. Perhaps it's because my hair is quite damaged, but it didn't work as well for me as I had hoped. I am participating in a test panel and received a free test product.
    190 views
  • The post was made 2 days
    Rating: 5 out of 5

    Dunder!

    Really great product that is easy to use and truly makes a difference. After trying this, I will definitely try the other products too! If you have damaged hair from coloring like I do, you will soon see the difference and your hair will definitely thank you! +easy to use +the scent +the result -the price I am participating in a test panel and received a free test product
    27 views
  • The post was made 2 days
    Rating: 5 out of 5

    Makes my frizzy hair healthy

    I have been testing Kérastase Sérum Filler Fondamental for a couple of weeks and I am really impressed. The consistency is light and silky, almost like a facial serum, and it doesn't weigh the hair down at all. I use it on damp hair before blow-drying, and the result is soft, shiny, and fuller hair that feels stronger with each use. The scent is luxurious and stays discreet in the hair throughout the day. I especially like that the ends feel less dry and that the hair looks healthier. An expensive but very effective product that feels like pure hair luxury at home!
    45 views
  • The post was made 6 days
    Rating: 5 out of 5

    HONEST REVIEW

    After bleaching my hair for about 10 years, it has become incredibly damaged, frizzy, dry, and destroyed! Now I regret not taking a before picture before I started using this miracle serum, but you can just imagine how a over-bleached hair looks like..🫣 So many thousands I have spent on different brands with oils and serums, but I have almost never noticed any greater difference until I tried this serum!!😱 I will never buy anything else from now on, thank goodness!🙏🏼 This product has worked wonders on my hair from the first use (2 weeks ago), I look forward every day to washing my hair and using this! My worn-out, broken hair is now a shiny beautiful hair that can hardly be braided because it is so shiny, it just slips out of the braid, and I have never had that "problem" before😍 The scent is hard to explain, but it smells like a mix of cucumber, forest, hairdresser(?) just perfectly nice! I have already managed to tell all my friends about this product and would also like to recommend more if it, especially if you have damaged hair like I had, because it really works! The price may seem high (I probably would never have dared to take a chance on buying this before if I hadn't tested it because of the price), but I promise it is worth every penny! If you want a product that delivers what it promises + more, and avoid spending money on serums/oils that are cheaper but don't work as well, SO BUY THIS!❣️ The picture I uploaded is of my hair with some regrowth, freshly washed with 1 pump of the serum, only blow-dried. No frizz at all??!🥹😍 I don't even need to straighten my hair anymore!! I will definitely try the shampoo/conditioner from this Kérastase line as well🤩 I am participating in a test panel and received a free test product.
    159 views
  • The post was made 1 week
    Rating: 5 out of 5

    Positively Surprised!

    I have now tested the product after a few washes and I am super satisfied! I have very dry, frizzy, and curly hair, but after using the product, my hair feels soft, manageable, and shiny. My hair also feels more moisturized. I usually need to use oil after styling my hair, but I didn't even need to do that now. I'll see over time how it feels after I've tested the product for a while, but so far I've been positively surprised! I am participating in a test panel and received a free test product.
    54 views
  • The post was made 1 month

    ???

    When is this coming back in 🩷
    279 views
    • The user's roll: Skin therapist at Lyko. The comment was made 1 month
      Hey Hanna! I see that it is ordered, but right now it’s taking a bit longer than usual because we are in the process of moving our warehouse and there have been technical issues with the new automation – and that affects everything from deliveries and unpacking to availability. Please click on "Watch" (if you haven’t done it recently), so you’ll get a notification as soon as it’s back in stock. Keeping my fingers crossed that it shows up soon 👌 Wishing you a nice Friday and weekend 🌸
  • The post was made 4 months
    Rating: 5 out of 5
    verified customer

    Wow!

    I have dry, curly, and bleached hair. Usually, I get big, frizzy, and airy hair after blow-drying it, but this really calmed my hair down, I felt after just one use! More shine, less frizz, and repairing too!🤩 I can't wait to use this going forward to see what changes happen next🥰
    674 views
  • The post was made 4 months

    Protein

    Hi, does this key contain protein? I'm afraid of getting protein overload.
    638 views
    • The user's roll: Customer service at Lyko. The comment was made 4 months
      Hey Hanna! Kérastase Premiére Sérum Filler Fondamental Hair Serum contains proteins, but in a moderate amount ✨ Take care!

KérastasePremièreSérum Filler Fondamental Hair Serum 90 ml

71,50 €(79,44 € / 100 ml)
Gift
Free shipping, sent from our warehouse in Sweden

Sérum Filler Réparateur by Kérastase is a leave-in repairing anti-breakage filler hair serum. This anti-frizz serum works to seal and fill hair strands, and protect them from the heat of styling tools, leaving hair shiny and strong.
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:
- Repels humidity, deeply nourishes and locks out frizz; - Fills fiber surface with matter to recreate softer and smoother hair; - 55% softer hair* - 3x more moisturized hair* - Protects from heat, up to 230°C* - 99% stronger hair* - 72H anti-frizz*
*Instrumental test after 1 application of the serum

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

90 ml

Gift with purchase

Buy at least 2 from Kérastase

Also available in bundle

Kérastase
Pre-shampoo, Bain, Serum
173,50 €
Without bundle: 192,90 €
(173,50 € / pcs)

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