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💥 Stronger hair, zero compromise – be the boss of your strands!
Kérastase Genesis Fondant Renforçateur is a premium 200ml daily conditioner designed for fine to normal hair prone to breakage. Powered by Edelweiss Native Cells and Ginger Root, it fortifies weakened hair fibers, reducing hair fall by 97.7%. This lightweight formula nourishes and smooths hair without weighing it down, leaving strands visibly stronger, shinier, and easier to manage. Silicone-free and cruelty-free, it’s the ultimate salon-quality solution for resilient, healthy hair.





















| ASIN | B083JKX9MX |
| Age Range Description | Adult |
| Age range (description) | Adult |
| Benefits | Strengthens, repairs, & protects from root to tip, leaving hair soft, supple & weightless. |
| Best Sellers Rank | 1,928 in Beauty ( See Top 100 in Beauty ) 48 in Hair Conditioners |
| Brand | KÉRASTASE |
| Brand Name | KÉRASTASE |
| Country Of Origin | España |
| Customer Reviews | 4.6 out of 5 stars 5,105 Reviews |
| Global Trade Identification Number | 03474636857883 |
| Hair Type | Thin |
| Hair type | Thin |
| Included Components | User Manual |
| Item Dimensions | 50 x 80 x 190 millimetres |
| Item Form | Liquid |
| Item Type Name | 1 |
| Item Weight | 200 Grams |
| Item form | Liquid |
| Liquid Volume | 200 Millilitres |
| Manufacturer | KERASTASE |
| Manufacturer Part Number | 905-57883 |
| Material Features | Natural |
| Material Type Free | Silicone Free |
| Material feature | Natural |
| Model Number | 905-57883 |
| Number of Items | 1 |
| Package Type Name | Tube |
| Product benefits | Strengthens, repairs, & protects from root to tip, leaving hair soft, supple & weightless. |
| Recommended Uses For Product | Apply a coin-sized amount to towel-dried hair, massage from root to tip, leave 2-3 mins, then rinse thoroughly. |
| Scent Name | Unscented |
| Size | 200ml |
| Special Features | Not Tested On Animals |
| Unit Count | 200.0 millilitre |
J**A
I’d highly recommend it.
I’ve been using this conditioner alongside the matching shampoo, and I’m really impressed with the results. It leaves my hair feeling incredibly soft, smooth, and much easier to brush without weighing it down. The conditioner has a lovely salon-quality fragrance that lasts in the hair, and a little goes a long way. After a few weeks of use, my hair felt healthier, looked shinier, and I noticed less breakage when brushing and styling. While no conditioner can completely stop hair loss caused by medical or hormonal reasons, this one definitely helps strengthen weakened hair and reduce breakage, making my hair feel stronger overall. It’s on the expensive side, but the quality is excellent and it feels like a premium salon product. If you’re looking for a nourishing conditioner that leaves your hair soft, healthy-looking, and more manageable.
H**S
Soft, strong, and perfect for fine hair
I’ve been using this conditioner alongside the Genesis shampoo and I’m really impressed. My hair is fine, wavy, and prone to breakage, and this leaves it feeling soft, smooth, and much easier to brush without weighing it down. It doesn’t make my roots greasy, which is a big plus, and my hair feels stronger and healthier after just a few washes. The scent is lovely but not overpowering. A little goes a long way, so the bottle lasts ages. Definitely worth it if you struggle with weak or thinning hair.
M**G
Finally a product that works!
I’ve just written a review for the shampoo but bought these together. Works so well. Super pleased with the result. Hair was very dry and brittle now feels like my hair again!
L**A
Amazing does work just make sure its a Amazon seller cause others are fake
Absolutely amazing works so well leaves hair feeling like a wash and blow dry every time use with the oil and shampoo for good results don't but unless its a amazon seller or it can be fake boots also have offers use all these together for results it really works i used for 2 /3 months and won't go back only down side is its expensive but does works look at my photos to see the difference
C**N
Lightweight but Effective Conditioner
For context, I have long hair that can feel slightly dry at the ends and prone to breakage. This Conditioner is lightweight but still hydrating. It spreads easily through the hair and helps detangle quickly without making my hair feel heavy or flat. After rinsing, my hair felt softer, smoother and easier to brush. The scent is fresh and salon-like, which I really enjoy. I wouldn’t expect it to stop hair loss completely, but it does seem to help strengthen the hair and reduce the feeling of fragility when brushing. The only downside is the price, as it’s definitely a luxury conditioner. Overall, a very nice option for weakened or fragile hair if you’re looking for something lightweight but smoothing
E**E
Actually works
I have tried many many conditioners. This one is amazing. It doesn’t leave your hair ‘heavy’ as most do. It smooth out the ‘frizz’. It’s a very subtle lovely fragrance. 5 star product.
M**S
Incredible product
I’m in the fun perimenopause time of life and for a year now when I wash and brush my hair loads of it comes out. I saw a review of this as helping. Had a little gasp when I saw the price for the shampoo and conditioner- most I’ve end spent on either. After a week of use I noticed a difference already and my hair was not coming out so much. After a month is was significant, I barely cleaned my brushes anymore. By the end of the bottle I was noticing some baby hairs regrowing on my head. It’s expensive but what I will say is that I only wash my hair about every 2-3 days and it’s so thick I use a tiny amount and a bottle lasted me a couple of months which made the expense a bit more manageable. I can’t put a price on the health of my hair.
M**E
Good packaging
Love it just get big ne t time
C**S
Shampoing et apres Shampoing
Très bon produit je le recommande ! Rien à dire vous pouvez y allez franchement ... cheveux souple après utilisation !! Cheveux bien brillant sans alourdir odeur agréable ...
S**N
The best
Good product !
J**Z
La calidad y el resultado
Junto el shampoo, y la mascarilla hacen lo suyo, funciona. Debería de tener el empaque ecológico
M**G
Polecam
ok
L**E
Stops breakage and anti fall. It works.
My favourite. Stops hair breakage and leaves my hair healthy. Been buying it for years and this is by far the cheapest website.
Trustpilot
5 days ago
3 weeks ago