Kiehl's Powerful-Strength Line-Reducing Concentrate - 1.7 oz.

You’ve aced Skincare 101: You drink plenty of water, log eight hours of sleep a night, and diligently apply (and reapply) SPF. But to get your advanced degree, you’ll want to invest in a targeted antiaging serum like this one from Kiehl's. Loaded with vitamin C and other potent ingredients, it smooths, brightens, and tones skin.

Kiehl's Powerful-Strength Line-Reducing Concentrate - 1.7 oz.
3.9 out of 5 stars, based on 1,222 Reviews 1,222 Reviews
3.9 out of 5 stars
5 Star
445
4 Star
395
3 Star
265
2 Star
71
1 Star
46
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Nice
Sampled

I wasn't sure if this product would work, but I see a difference in a large crease in my forehead. I need more products like this in my box.

5
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Great product
Sampled

Good brand and love the way it smooths those lines around my eyes

5
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love
Sampled

Love the brand and all of the products I've tried. goes on smooth, nice finish and works

5
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Light and sheer but moisturizing
Sampled

Light, not too greasy, my skin looked nice and plump after. I'm curious to see if my dumb sensitive skin will react or not, but it felt good!

5
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So nice for dry skin.
Sampled

Love Kiehl's products. Thanks for introducing them to me, Birch Box! Wonderfully hydrating with natural ingredients!

5
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Really great product!
Sampled

Everything kiehls makes turns to gold. I love the smell. I love the texture I love the amount provided in sample package.

5
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HollyBB
Sampled

I have noticed a difference in the fine lines over my lips and also in my eye area. It is very smoothing and makes my skin feel silky. I would definitely recommend it to my friends.

5
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First line-reducing product I've found that actually works
Sampled

I try out a bunch of anti-aging products, and am especially paying attention to the parentheses lines between my nose and mouth. After a couple weeks of using this twice a day, I'm actually noticing a softening and smoothing of those lines, which no other product has been able to do for me.

5
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Wow!
Sampled

This product is awesome! really reduces fine lines. I see a big difference. This is my first time using this product. I will definitely purchase more. It has a clean smell to it as well.

5
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Line reducing serum
Sampled

I have just started using this so haven't seen much of a difference quite yet but feels good on

5
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