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Kérastase Genesis Hair Serum is a premium leave-in treatment formulated with Aminexil, Ginger Root, and Edelweiss Flower to combat hair loss in weakened, thinning hair. Designed for daily use over 30 days, it strengthens hair fibers from root to tip, soothes scalp irritation, and activates microcirculation to stimulate healthy hair growth. Sulphate-free and lightweight, this serum delivers visible reduction in hair fall and improved hair volume, making it a must-have for professionals seeking a confident, resilient mane.





















| ASIN | B083JKPCFB |
| Benefits | Strengthening hair fibre from root to tip, the serum activates microcirculation of nutrients to stimulate healthy hair growth. |
| Best Sellers Rank | 711 in Beauty ( See Top 100 in Beauty ) 1 in Hair Serums |
| Brand Name | KÉRASTASE |
| Country Of Origin | España |
| Customer Reviews | 4.6 out of 5 stars 7,582 Reviews |
| Global Trade Identification Number | 03474636858002 |
| Hair Type | Normal |
| Hair type | Normal |
| Item Form | Liquid |
| Item Volume | 90 Millilitres |
| Item Weight | 30 Grams |
| Item form | Liquid |
| Liquid Volume | 90 Millilitres |
| Liquid volume | 90 Millilitres |
| Manufacturer | KERASTASE |
| Material Type Free | Sulphate Free |
| Number of Items | 1 |
| Product benefits | Strengthening hair fibre from root to tip, the serum activates microcirculation of nutrients to stimulate healthy hair growth. Product benefits Strengthening hair fibre from root to tip, the serum activates microcirculation of nutrients to stimulate healthy hair growth. See more |
| Scent | Unscented |
| Scent Name | Unscented |
| Unit Count | 90.0 millilitre |
A**A
My magic bullet
My starting point: - long-term commitment to Kerastase - I guess that’s why I’ve seen no ads and basically stumbled upon this serum during regular eyeballing of Kerastase catalogue. So I didn’t get any hype - I’m 31F with slightly highlighted fine blond hair and reactive scalp, that is healthy in remission and flaky/oily during flare-ups - after losing a lot of weight and a terrible long flu with 2 courses of antibiotics, I went into telogenic phase. I had my hands full of hair after every wash and actually had to unblock the drain. My scalp was itchy and flaky, my lengths were damaged and electrostatic, roots wouldn’t keep volume for more than a day - I tried everything: minoxidil, castor oil, scalp massage with a silicon brush, peelings, masks - you name it. It did slow the hair loss, but I still struggled Found this serum, and it’s day 10 of the course. Serum: - smell intensity: 8/10; some might find it very intense and I get it. For me it smells of an expensive aftershave and it doesn’t bother me much since I enjoy unisex perfume - texture: 10/10; thick serum that is very easy to measure and apply. You have enough time to distribute it before it goes dry, and the best part is that it actually doesn’t leave any residue and can even add a bit of volume. During first application I felt tingling for a short period - likely due to irritated scalp. Staring with second day, no more tingling - value for money: 10/10, but it’s tricky. If you apply it per instructions, one bottle will last about 2 weeks. That’s 1/3 of required 6 weeks, so you can easily multiply the cost by 3. At the same time, this serum turned out to be super efficient for me, and it very well justifies the cost. I’ve spent more time and money, trying other treatments - ease of application: 8/10. Instructions are clear, the applicator is sturdy and intuitive. It’s easy to measure and apply directly onto the scalp. You may need to adjust the quantity since the instruction says 3-4 doses (which is a lot) and if you are smart you can get it down to 2.5-3. Efficiency: I don’t usually review products halfway, but I’m so impressed with this serum already, so I couldn’t wait to share it. I notice no to very little hair fall. It’s even less than I normally have. Almost no hairfall during washing. My scalp went calm after the very first application and no more itching or flaking ever since. My hair holds volume. So overall I’m super impressed and this serum is exactly what I needed given my background
N**A
Hair goals 100
Great product! This hair serum smells amazing, feels lightweight, and has definitely reduced my hair fall. My hair feels stronger, smoother, and healthier without being greasy. Really impressed with the results and will definitely be purchasing again even though its pricey it lasts along time.
S**A
Love this hair serum
This really helped me with hair shedding. It does prove effective with consistent use. It is a nice lightweight scalp serum that does not make your hair greasy. It has a strong perfumey fragrance which some people won't like and possibly could find irritating if they have a sensitive scalp but I personally like it. I would recommend if you are suffering with hair shedding as it stopped my hair falling out significantly after a few weeks of use.
R**S
The best hair serum noticeable results from the first use
This is a standout hair serum highly effective and worth every penny. My hair has never looked better!
M**U
Nice serum
Smells nice, good consistency but too soon to tell if has an impact on hair growth
C**O
Helped with hair loss but not with hair growth!
I’ve been using the Kerastase Serum for a while now, and overall I think it’s a great product for reducing hair shedding. I noticed that I’m definitely not shedding as much as I used to, which was my main concern, so in that sense it really helped. I’ve gone through about five bottles so far, so I gave it a fair chance. However, when it comes to new baby hairs, hair growth, or increasing the density of my hair, I personally didn’t see much of a difference. So for controlling shedding, I would recommend it 👍, but if you’re expecting noticeable regrowth or thicker hair, it might not deliver those results.
K**A
Stopped hair fall
Smells amazing and it does really stop the hair fall , best thing I ever used . Long term use needed it’s expensive!
S**E
Kerastase serum
Highly recommend, saw a slight difference in my hair.
S**I
تحفه
تحفه للشعر
Y**A
Buenas sensaciones y resultados en un producto capilar
Sérum muy recomendable para fortalecer cuero cabelludo.Aplico con el pelo húmedo, después de su correcto lavado y secado para retirar exceso de agua, y deja un acabado fresco sin engrasar con buenas sensaciones. Huele genial y su precio es razonable para una marca con prestigio en sus productos.
R**.
Great product
With the use of this product and one other my edges are regrowing!
M**I
Highly Recommended
My hair used to be thin and lifeless. Since I started using Kérastase Genesis Serum Anti-Chute Fortifiant, I’ve noticed a big difference. I highly recommend this product for anyone looking to improve the health and strength of their hair.
T**W
Nice serum
I can see some hair regrowth after 1 week. Very nice smell. Serum not sticky or oily at all. Lesser hair fall. Very nice.
Trustpilot
2 months ago
3 weeks ago