Genesis - Défense Thermique Blow Dry Primer

Did not disappoint

I usually have plentyyyy of fall out when blow dry my hair and with this product I didn’t notice any! Smells amazing and left my hair the most silky smooth it’s been in years. Will be repurchasing when I run out!

Heat protection

It’s good to use before straightener it prevents damage to your hair and the smell is incredible

Great product

Great product, I use it on wet hair and it’s not greasy at all.

Definitely buy this

This product saved my hair and makes such a huge difference when I started using it. I have repurchased this several times and the texture of my hair changed so much after so much damage on my hair.

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Since I've been using the product, my hair has been healthy and protected.

Overpowering smell

Unfortunately it smells like products you find the cleaning/household isle - furniture polish 🤔?! Such a shame because it’s a nice product. Please improve the scent.

Not for me

Did not do anything. Dispenser is awkward, hair was looking dull and I swear it does not provide any thermal protection. Would not repurchase, probably the worst Kerastase product.

A must-have in my glow up routine!

This is one of the best products I’ve used from Kèrastase! I’ve used their other heat protectants but nothing leaves my hair fuller and silkier, than this product!

love love love

Must have for dry and fine hair! Keep going back to it.

It's ok, but there's better

I bought this a couple of months ago. I felt like it gave me some heat protection and it did reduce the number of broken hairs due to damage. But I thought that it was my hair that was becoming frizzy and hard to smooth when blow drying. I switched to Ciment Thermique and the difference is night and day. Turns out Genesis Thermique made my hair incredibly difficult to smooth. It may be good if you have fine hair, but for my coarse hair that I regularly blow dry, this one is a miss.

A sticky disappointment

I chose to get this after watching a influencer raving about it but it didn’t work for me at all. Weighed my hair down making them sticky, oily and dull. Seems like adding build up to your hair. Struggling to find a perfect product for bloe drying

Lots of product & good spray nozzle

Product has minimal to no scent. I don’t think it out performs other way cheaper products. I have used the kerastase line since 2018, so you can say. I’ve probably tried all their products. As I have bleach blonde hair. I would not repurchase this.