Kérastase Resistance Ciment Thermique - Prime

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.

Kérastase Resistance Ciment Thermique - Prime
4.4 out of 5 stars, based on 224 Reviews 224 Reviews
4.4 out of 5 stars
5 Star
130
4 Star
65
3 Star
17
2 Star
9
1 Star
3
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amazing

This product is awesome. My hair is so soft and I can visibly see it working on my split ends. It smells great too! A little goes a long way - I have been able to get 3 uses out of my sample.

5
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It protects your hair from heat damage, but do not use too much!
Purchased

Overall, I think this product works well to protect your hair from the blow dryer or curling iron. However, if you use more than a very tiny amount, it turns your hair into a greasy mess.

3
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Best Hair Treatment Out There!
Purchased

For someone who swears on using the curling iron or straightener everyday this product is magic. Leaves my hair feeling weightless and healthy! Best product I've tried (and I've tried them all).

5
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Loved this stuff!

Absolutely loved this stuff- I've never been a fan of leave in conditioned because I always felt it weighted down my very fine but thick, straight, uncolored hair. This was absolutely the opposite-- made my hair look better than ever.

5
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Amazing Product

All the Kerastase products are amazing. I use the shamppo and leaving in treatment daily. Sample was small as most of the Birchbox Samples have become.

4
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Love this stuff!!

This product does exactly what it says it will do. No gimmicks, no jokes. I have baby fine hair, and at first I was using too much product and it was weighing my hair down, but I just let up on the amount I was using and was amazed how much healthier my hair was! Plus it made my samples last longer :)

5
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Protects my hair!
Purchased

I have thin, delicate hair from highlighting and I always use a blowdryer. This protects it without weighing it down!!!

5
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This stuff actually works.
Purchased

I found out about this stuff when I was living in Spain. I went to the beach EVERY day and my hair was suffering -- and my wedding was approaching fast. My stylist suggested this, actually the whole Resistance treatment line (in the green bottles), and after using the entire system I can actually say my hair was changed for the better. Visible results people. How often can you say that? Pretty much never.
One thing this does in particular is seal the ends when you blow dry. The ends are just calmer, look more polished. It is a gel and it is completely non-greasy, smells great, a little goes a long way.
I think this product works like a champ alone, but along with the other products on this line (not sure if they're available on Birchbox, I'll have to look), it's just fantastic!

5
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Amazing

This heat protectant is great. Great for dry hair, or chemically treated hair. I get Keratin treatments, and I think it went hand in hand with protecting my hair from heat. Smells great, also.

5
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Absolutely LOVE!

I have thick, curly hair that is colored. After using this product, my hair was smooth, shiny, and smelled fabulous. I tend to heat style my hair; blow drying & large barrel curling iron. I whole-heartily recommend this product.

5
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