Editor's TipEditor's Tip

Shape up weak, color-treated, or heat-styled hair in 15 minutes with Kérastase Masque Force Architecte - Treat. (Just think of it as strand-strengthening bootcamp.)

Kérastase

Birchbox Breakdown

Fine, limp hair can be, well, a bit of a letdown. But there’s an easy solution: this lightweight shampoo, which transforms hair by injecting much-needed volume, while also adding nourishing ingredients. You’ll get tons of movement and shine, even without any special styling. Plus, the fragrant, sudsy formula tempts us to pull out the old ‘washing my hair’ excuse and take an extra long shower.

How it Works

Kérastase’s Ampli-Ciment Complex strengthens weak strands and plumps them up for extra bounce. Think of it as hiring a personal trainer to whip your lazy hair into shape! Special polymers protect each strand and add healthy shine.

How to Use

Squeeze a quarter-sized amount into hands and massage into wet hair and scalp. Rinse well.  

More for You!
  • Free returns within 90 days of purchase
  • Extra samples and gifts in the Bonus Shop

Product Reviews & Sample Feedback

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Most Helpful Customer Reviews

Fine Hair
Purchased

I have extremely fine hair , but a lot of it. All products seem to weigh it down easily including this product , but I will continue to use it , just a little less ..It does smell wonderful. I think this product would be best for normal hair.

3
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love it!
Purchased

i know it's pricy but if you have fine limp hard to get any volume in it hair like mine you'll love it too! i've used many different volume shampoos but this is the first one that's actually delivered. 5 stars all the way.

5
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My favorite Shampoo

When I want to splurge, this shampoo never lets me down. It takes my fine hair and gives me some major volume! Nothing sticky or dry about it, just serious healthy volume with no sacrifice on shine. This is definitely the best volumizing shampoo I have ever used...and I have tried a LOT!

5
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Nice but expensive

I have very fine, limp hair. I noticed after I used this that I did have more lift. It didn't weigh down my hair like normal shampoos do. I do not have the conditioner though and I think I'd have better results if I used both together. I also love the smell of it! It is very expensive for the amount that you get though and for that I don't think I will be buying it again.

4
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Best Volumizing Shampoo Ever

This is my third time purchasing the Kerastase Bain Volumactive Shampoo AND conditioner set. In order for the product to work, you must follow the directions accordingly. The conditioner is essential for the perfect results. My hair has never looked better according to me and everyone I know and love. If you're apprehensive about purchasing this product, DON'T BE!

5
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Not impressed
Purchased

I was really ready to splurge on Kerastase after my May box had the shampoo for color treated hair (purple bottle) sample. I loved the smell and how my hair felt but thought maybe I should try a volumizing shampoo since I dont color my hair very often. This shampoo leave my hair pretty limp and lifeless. A pretty big bummer for something so expensive. I now use on occasion bc it does make my hair squeaky clean just not very much body or volume. I would not purchase again.

2
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