Kerastase Genesis Hair Serum | Daily Strengthening Treatment for Weak or Damaged Hair | Nourishes and Reinforces Hair | Anti-Breakage | Silicone-Free | For Weakened Hair | Serum Fortifiant

Stronger Hair Starts at the Root – A Must-Have for Anyone Experiencing Hair FallI’ve been using the Kérastase Genesis Hair Serum for just over a month, and the results have been nothing short of amazing. As someone who struggles with hair fall due to breakage, I was looking for something that could strengthen my hair without weighing it down—and this serum delivered on every front.The formula is lightweight and non-greasy, which makes it perfect for daily use. I apply it to my scalp after towel-drying my hair, and it absorbs quickly without leaving any residue. The scent is subtle and fresh—just enough to feel luxurious without being overpowering.What really impressed me is how noticeably stronger and healthier my hair feels. After consistent use, I’ve seen a significant reduction in hair fall when brushing or styling. My scalp feels more balanced, and my hair looks fuller and more resilient.✅ Reduces breakage-related hair fall✅ Lightweight, silicone-free formula✅ Easy to apply and absorbs quickly✅ Strengthens and nourishes from the rootIf you’re dealing with weakened or thinning hair, this serum is absolutely worth the investment. It’s a salon-quality treatment you can use at home—and it truly makes a difference. I’ll definitely be repurchasing!

This product change my hair, I had been using this producto for more than 40 days and my hair is stronger now, is shiny and beatiful. Is a little expensive but I tried others products and this is one that I need to keep in my life.

I love this serum, this is my third time repurchasing this item. I have noticed a great significance with my hair health and growth of baby hairs. My hair is also more softer and moisturized. Although it’s pricey I believe it’s worth it. You have to be consistent and patient when using this, keep in mind you sometimes don’t notice till 2-4 weeks after using.

I tell you what...I would use this for the smell alone! It smells AMAZING and has a cool feeling on the scalp. I use it after showering and massaging my scalp. It doesn't make my scalp feel oily or leave a shine, but makes it feel moisturized. A few drops goes a long way but I do feel like I went through the product quickly (this could be user error ha). The serum dropper is easy to use. I love that the bottle and dropper are glass. The product quality feels high end worth the money!

Why did you pick this product vs others?:I’m absolutely obsessed with the Kérastase Genesis Hair Serum — not just because it works wonders on my hair, but because it smells like pure luxury. Honestly, it’s the best smelling product I’ve ever owned, whether it’s hair, body, or anything else. The scent is fresh, subtly floral, and just so elegant — I find myself sniffing my hair all day!Beyond the incredible fragrance, this serum smooths frizz, adds shine, and makes my hair feel stronger, thicker, and healthier with every use. It’s lightweight and doesn’t leave any greasy residue, which is a huge plus.If you want a hair product that both performs beautifully and makes you smell amazing, this is it. I’ll definitely be repurchasing!

WELL YES, but I think there are better and more affordable, each hair is different maybe it works better on your hair so if you can buy it do it, the smell is good, something I like is that it can put it with clean hair and does not leave the hair greasy or anything, it is super soft, IF YOU CAN try it!

This saved my hair! I was starting to notice thinning and just an overall change in my hair over the past year. Did some research and decided to take the plunge with this serum. I am so glad I did! I started with 2 doses per night and noticed a difference by the end of the first month. Stick with it to notice results! Its pricey, which is what scared me at first but I am so glad I tried it :)

As a blonde who highlights her hair, this has been the holy grail for breakage. It has lessened my breakage, strengthened my hair, and even improved hair growth. It creates such a soft texture to my hair I can’t get enough. One of my favorite products. Love the smell too!