Genesis - Défense Thermique Blow Dry Primer

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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.

Not my favourite.

This is just ok for me. I don’t love how the pump sprays-not a mist, so spray it into palms, then distribute. A pump would be better. Overall I don’t see a big difference.

A hit!!

I have just started using this heat protector and I have to say it does what it says on the bottle and also my hair is so soft . Will definitely recommend this product to my friends

Just brilliant

Just brilliant. I’ve bought the whole range and I am so impressed. I’ve been using Olaplex and I think my hair was getting too used to it as I’ve been washing and drying my hair a lot more due to training more. My hair has been breaking and this heat protection has made a huge difference.

SMELLS AMAZING

Just a couple of spritzes after towel-drying my hair and my comb slips through without tearing. It smells nice and seems to give my hair a nice smoothness. Recommend this product to my friends and family