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 1,202 Reviews 1,202 Reviews
3.9 out of 5 stars
5 Star
434
4 Star
390
3 Star
263
2 Star
71
1 Star
44
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Doesn't provide visible results
Sampled

I'm 30 and for the past two years, face & eye moisturizing has become a part of my nightly routine. This serum felt quite nice, but I really couldn't tell any difference. Smooths? Not noticeably (and I have a 3x magnifying mirror). Brightens? Possibly. Again - really couldn't tell. Worth it? Meh - I'd say no.

3
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Real results
Sampled

I used this product every night and saw a real difference in my skin! It looked smoother, and definitely brighter. Worth the $$$$!

4
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Love Kiehl's Products
Sampled

I love Kiehl's products. Many of them fall in to the "cant live without" category. This isn't oe of them. Maybe I don't have enough lines yet? But even trying to prevent them and using this sample until it was gone - I saw no real change.

3
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Worked wonders
Sampled

The lines around my eyes diminished noticeable within the first few weeks.

5
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Love Kiehl's products, but this was just average
Sampled

I wasn't sold on this. I didn't notice any visible results after using the sample. My skin did feel slightly tight after applying but that wore off shortly after applying. I prefer a serum that is more moisturizing.

3
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Love it
Sampled

I love this stuff! I use around my eyes (crows feet), and also on smile/frown lines. It really softens and moisturizes those areas and fine lines.

5
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love it
Sampled

absolutely love! wish i had more. would love to buy it but it's a little too costly for me now.

5
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I'm in love
Sampled

I'm a serum junkie, and this is an amazing one. Keihls has nailed it! This just makes fine lines disappear. It evened my skin tone, and left me soft, smooth and moisturized. I wish it was cheaper, but it's worth every penny honestly.

5
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Ok, not going to buy
Sampled

This was an alright product. I didn't feel as though the promises made by the description would actually come true.

3
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Great texture, not a miracle worker tho
Sampled

This feels incredibly nice on the skin; feels almost whipped, so light and absorbs quite easy. I received the sample size, and used for just the undereye area where I'm getting fine lines. The sample lasted me about two weeks, which was great. No line reduction was noticed, but I feel that it moisturized this area much better than regular creams.

4
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