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3.6

Based on 126 reviews

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Most helpful positive
Bergit
3 months
Verifierad testare
Difficult to assess the effect after only 4 weeks of use..
I received this exciting hair product for testing as #LYKOINFLUTESTER. This is a strengthening serum from Kérastase that, according to the product description, is supposed to prevent hair loss due to hair breaking. The serum has ingredients that are supposed to make the hair more resilient and minimize hair loss. The serum is supposed to strengthen and care for the naturally protective barrier in the scalp. The serum should be used once daily in the morning or before bedtime. You can apply up to 4 doses to a dry or towel-dried scalp, section by section. 1 dose = 1 pipette to the mark. The serum should be lightly massaged in and not rinsed out. I was super excited to test this serum since after three pregnancies (six years since the last) I have gotten thinning around the hairline on my forehead. Here, the hair grows extremely poorly, and the little that grows gets a maximum of 6 cm long. Exciting to see if this serum could help. I also generally have hair that never gets as long as I want because it breaks and splits easily. I otherwise have medium-length, Nordic, fine hair with slightly bleached ends - otherwise untreated. I’m starting to go gray (I’m 43 years old). These are my thoughts on the product after 3.5 weeks of use: ✅ Lovely container that looks good on the bathroom shelf ✅ Good pipette that makes application easy, doesn’t drip. ✅ The product doesn’t feel sticky on the hands afterwards (even though you should of course wash it off) ✅ The hair doesn’t feel greasy at all when used (I’ve used it in the evening) 🚨 Quite okay scent (but relatively strong). Smells a bit masculine ❌ The bottle is not very economical in use and the price is quite high. I applied 4 doses each time and used up the product in 4 weeks. ❌ No visible results after four weeks. Maybe you need to use it longer to see results (but now the bottle is empty…) I find it difficult to properly assess this product since I feel it should be used over a longer time frame to see any potential results. #LYKOINFLUTESTER #KERASTASE
Translated from norwegian
55 likes
39855 views
- Cathrine
  2 months
  Thorough and honest review
  9 likes
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Most helpful negative
Anna
3 months
Verifierad testare
Nja
As an influencer, I had the honor of testing this product. The packaging: In glass that feels sleek and luxurious with a smart pipette. So pretty with the ombre colors too. The consistency is gel-like and wonderfully cooling. Good consistency as it doesn't run out so easily 👌. It smells so good, both orange/citrus and a bit of woody undertone yum. Very fresh scent. I feel that the scent settles after a while, which I think is good since I have worked in healthcare. Smells mild but not too strong after a few hours. The pipette has a good clear marking for how much to take and is easy to handle 👌. When I apply the serum, I feel fresh. But my hair gets greasy, and I find it stiff/chunky after it dries. I don't like that it gives me such a greasy impression, something I really work to avoid. Even the next day, I find my hair greasier and with a strange slightly stiffer feeling in my hair. Which I don't like. I've been using it for a while now and notice no significant difference in my hair at all. I assume you need to use it longer. But I'm most irritated that my hair feels so greasy after a while within 1 hour of application for me unfortunately. So I think it's a ridiculously expensive product to give me greasier hair and no difference in hair quality, but I assume you need to use it for more than 2 weeks. I'm not that impressed yet, but I get to test it a bit longer to see if it gets better going forward. But I don't like the feeling in my hair after it has been a while. In the beginning, it feels super fresh and good, which then turns into a greasy strange feeling in the hair🙈. #LYKOINFLUTESTER #KERASTASE
Translated from swedish
10 likes
34494 views
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Åsa
23 hours
Guys?
Does this also help guys with thin hair?
Translated from swedish
211 views
- Saga
  Customer service at Lyko
  28 minutes
  Hello there Åsa! 👋 Absolutely, this serum is a unisex product that suits everyone🤍 Take care!
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Hoih
5 days
verified customer
Best Hair Oil
You have to buy it.
Translated from swedish
855 views
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Emma
1 week
Hair Serum
Made no difference for hair growth and expensive, would not recommend
Translated from swedish
1418 views
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Ingrid Marie
1 week
Does the hair grow faster if I use it?
How long does it take before it starts to work?
Translated from norwegian
1310 views
- Emilie
  Customer service at Lyko
  1 week
  Hi Ingrid Marie🤍 Kérastase Genesis Serum Anti Chute Fortifiant is primarily developed to strengthen hair and reduce hair loss caused by breakage and weakened hair strands – it also helps the hair to stay healthier and with less wear. The product does not accelerate hair growth itself, but by preserving more hair strands longer, the hair can feel fuller and have better conditions to grow without breaking. How long does it take before you notice something? You can often see an improvement in quality and less breakage after 4–6 weeks of regular use. Results may vary somewhat from person to person, depending on hair type, diet, lifestyle, and other hair care routines🌸 I hope this clarifies what the product can do for you! Feel free to reach out again if you have more questions.
  1 likes
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Nanije
1 week
verified customer
Useless
Did not work at all. I actually lost a lot more hair when I started using it. Wasted money. Hair gets greasy and gross to touch when you use it on dry hair. The only time the hair feels good is when you use it on wet hair. But then you can't wash your hair every day to be able to use this serum.
Translated from norwegian
1336 views
- Emilie
  Customer service at Lyko
  1 week
  Hi🤍 Thank you so much for sharing your experience. It’s really unfortunate that the serum didn’t work for you. Hair care products can be experienced very differently from person to person, and sometimes you can also have a temporary reaction before your hair settles down. If you find that your hair gets greasy and gross when applied to dry hair, we usually recommend using the serum on damp or towel-dried hair after washing, so it can absorb without weighing it down. If you would like tips on alternatives that might be gentler or better suited for you, you are more than welcome to reach out – we’ll help you with recommendations. Thank you for taking the time to share your feedback✨
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Selma Engla Elisabet
1 week
verified customer
Pretty okay
I think it does its job well, but it's super perfumed and it says on the packaging that it should be used for 6 weeks but it doesn't even last 4 weeks.
Translated from swedish
1 likes
1315 views
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Cathrine
1 week
The perfume smell ruins the product for me
I just finished this bottle and want to say a bit about it since it was quite expensive, I paid around 500 kr for it. It promises to help with hair loss and is much talked about/hyped. I've struggled with hair loss for the past year and was interested in something that worked. I don't think this made any difference. But the worst part was the overpowering perfume smell that some rightfully called 80s aftershave... The hair also becomes very stiff and tired from this gel and it's easy for the product to get in the hair instead of the scalp. I could have still continued to use it to see results, but the smell and feeling in the hair exclude that. I also don't think the hair serum is worth half a thousand or more. #lykoreview
Translated from norwegian
7 likes
1261 views
- Cathrine
  1 week
  Thank you for the nice feedback 👍 Wishing everyone a great weekend 💕
  3 likes
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Therese
2 weeks
Tudelad
It says that this should be used once a day for 5-6 weeks, so it's actually unfair to do the review now, but the disadvantages already outweigh the advantages in v2 unfortunately. It is not at all economical and will last a maximum of 3-4 weeks, and I will not buy it again. The biggest disadvantage, however, is the incredibly strong scent that doesn't smell good either, but rather strange and a bit more on the masculine side. The positive thing is that it has a good pipette that makes it easy to apply. The hair can feel stiff and rough, but it brushes out easily, and I don't feel that the hair feels or looks greasy.
Translated from swedish
2822 views
- Magda
  Customer service at Lyko
  2 weeks
  Hi Therese, thank you for taking the time to review! 🤗 So typical that you didn't really like this serum 💔 Maybe you can find something else interesting to try if you read this article 😍👇 lyko.com/sv/magazine/harvard/darfor-ska-du-anvanda-harserum
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V
2 weeks
verified customer
Product Review of the Viral Kérastase Genesis Serum
#konkurranseinflutester Kérastase Genesis Serum is designed to strengthen the scalp and prevent hair loss. The serum contains active ingredients that help anchor the hair better in the scalp and stimulate hair growth. The product should be applied directly to the scalp daily, either on dry or towel-dried hair. You gently massage it in and let it absorb without rinsing out.💆🏼‍♀️ The bottle is of good quality with a luxurious pipette that allows for precise application. The pipette comes with a line that shows how much serum you should fill up to per application, and it is recommended to use up to four such doses. This makes it easy to follow the recommended usage! The scent itself has an exclusive feel. ✨ I am currently on isotretinoin, and at the beginning of the treatment, I experienced some hair loss, which was unusual for me. Therefore, I started with the Genesis series—the serum, shampoo, and hair mask. Already after the first use, I noticed less hair loss in the shower, and after just five weeks, I have started to see baby hairs in my hairline, right where I applied the serum! You can see a big difference in the before and after pictures. It feels like my scalp has become stronger, and new hair strands have started to grow. The biggest downside is the price. The serum is expensive, and it is not particularly economical to use—a bottle lasts only 1-2 months with daily use. Who is the serum suitable for? This serum is suitable for anyone struggling with reactive hair loss, meaning temporary hair loss caused by stress, hormonal changes, or medical treatments. It is also perfect for you if you have weakened hair that needs extra strength and protection. The serum helps to strengthen the scalp, stimulate hair growth, and prevent further hair loss. Even though the price is high, this is a product that actually delivers! I will definitely buy a new bottle when this one runs out!💗
Translated from norwegian
5 likes
4150 views
- V
  2 weeks
  Thank you so much!!💗💗💗
  1 likes
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Olivia Slotthed
2 weeks
Testing new serum
If you apply this to towel-dried hair, should you apply it before other products like heat protectant, oil? Or should you apply it after? Is it just to style as usual afterwards?
Translated from swedish
1739 views
- Michaela
  Customer service at Lyko
  2 weeks
  Hey Olivia 😊👋 Kérastase Genesis Serum Anti Chute Fortifiant should be applied to towel-dried hair before adding other styling products like heat protectant or oil 😊 Have the BEST time! 💗
  2 likes
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