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.
3.4 out of 5 stars, based on 309 Reviews 309 Reviews
3.4 out of 5 stars
5 Star
69
4 Star
74
3 Star
97
2 Star
43
1 Star
26
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emsa
Sampled

I liked it but have another vitamin c product that I love... hard to compare a little sample to something I use and already love.

4
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Not sure
Sampled

This seemed nice but the sample was really too small to get a good idea.

3
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Not enough to get a true feel
Sampled

I dont think this was a big enough sample to get a good feel on how it works for my skin.

3
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Just okay
Sampled

The sample was too small to produce noticable changes. I didn't have any problems with the product, but it is more expensive than my usual serum. Too big of an investment without seeing any benefit.

3
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Evened out skin tone
Sampled

While this did not really reduce the fine lines around my eyes, which are only pronounced when I smile or laugh, it did visibly even out my reddish skin and reduce my pore size on my cheeks.

5
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Great product
Sampled

I really like this product. Goes on smoothly and feels light-weight. I feel like I've noticed a difference in the fine lines on my face.

4
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Awesome!
Sampled

really reduces lines, pores, and redness complexion. feels like silk going on.

5
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Good Product
Sampled

I used this product a few times and I really enjoy using it. It has a warming effect on your under eyes which I have never had before in a product. It makes my under eyes feel more texturized and youthful.

4
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Its a good product
Sampled

This seems to work pretty good. I like it. Might buy it

5
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lovely
Sampled

I could feel this product working immediately after applying..i focused on the fine lines on my forehead..tightened the skin almost instantly..made the skin radiant...im sure if i had continued to use it after the sample was gone i would have noticed great improvement on the appearance of lines

5
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