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Recent Reviews
Sara Simms
Verified Buyer
5
1/6/2026
Great serum!
[This review was collected as part of a promotion.] I love the Résistance Thérapiste Hair Serum, it's great for my long hair. I'm using it between trims to help with split ends. It's giving my hair a luxurious feel!
Originally posted on kerastase-usa.com
Jenbama
5
1/5/2026
Saved my hair
Best product by Kérastase. This is the one K product that is always in my cabinet. I use it on wet and dry hair (hair is thick, frizzy and dry) and it transforms my damaged dry hair into soft, wavy, frizz free waves. Love this stuff. One wish - would love for it to be offered in a bigger bottle as I have a lot of hair. (very long hair).
Originally posted on kerastase-usa.com