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Editor's Tip Editor's Tip

For super sleek strands, apply Kérastase’s Fiber Architecte - Prime from ends up to roots before styling with your flatiron.

Kérastase Resistance Ciment Thermique - Prime

$43.00 Ships Free
125 ml

Availability: Out of stock


Birchbox Breakdown

It’s a vicious cycle: You decide to grow your hair out, only to see it break and split so disastrously that you’re forced to get a trim. With this reconstructive leave-in milk, however, you can kiss breakage goodbye and say hello to newly lustrous strands. Formulated with heat-activated ingredients, this treatment strengthens and protects the hair shaft from the damage caused by heat styling, ensuring that your hair grows out long and strong.

How to Use

Squeeze a dime-sized amount into hands and apply to towel-dried hair, starting from the ends and working your way to the roots. Gently detangle hair with a wide-toothed comb and style as usual.

Aqua/Water, Cyclopentasiloxane, Propylene Glycol, Dimethiconol, Triethanolamine, PEG/PPG-17/18 Dimethicone, Phenoxyethanol, Carbomer, Behentrimonium Chloride, Polyquaternium-4, Potato Starch Modified, Hydroxypropyl Guar, Methylparaben, Limonene, Amodimethicone, Cetyl Alcohol, Quaternium-87, Behentrimonium Methosulfate, Quaternium-33, Trideceth-6, 2-oleamido-1, 3 Octadecanediol, Geraniol, Linalool, Cetrimonium Chloride, Citral, Parfum/Fragrance

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Most Helpful Customer Reviews

Best ever!

I wish every product in the world smelled like this. It also is straight up MIRACLE STATUS for soft, shiny hair.

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Have struggled with dry and damaged hair for a few years, after a horrible blonde highlighting. This product is the first to finally get my hair condition back in healthy shape! My hair is now so soft and silky, I want to touch it all the time. I put a small amount at the end of my hair and brush out after each wash. My ends look shiny and clean, and no longer look damaged. Love

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Top Notch Hair Product

I love Kerastase products in general. This cream is applied before blow drying and doesn't leave a tacky feeling but protects your hair for daily styling. Dried hair feels fantastic.

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WOW- not what I remembered.

When I sampled this a couple years ago I remember absolutely loving it, so I have to say I'm really shocked at how awful this made my hair feel. I had just finished bleaching it, and after shampooing and doing a super deep conditioning treatment I put a little more than the recommended amount (not even double what your supposed to) in since my hair is pretty long and I just finished coloring it.. halfway through blow-drying I realized that I needed to shampoo it all out because the texture it was making my hair was just horrific. Soooo I tried again, and had the same problem with the texture. Plus this easily doubled my blow-drying time. Needless to say - I will be sadly returning this. Major let down.

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A must have!

I have been using this product for about 10 years and can say that it has helped my hair grow from being above my shoulders to by my waist now. I used to
blowdry and flat iron my hair every day and can say that this product helped keep my hair healthy.

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