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 1,174 Reviews 1,174 Reviews
3.9 out of 5 stars
5 Star
419
4 Star
382
3 Star
258
2 Star
71
1 Star
44
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18-24
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Didn't need
Sampled

I gave this to my friend and I still have not had a chance to ask her if she has used it yet. It was such a tiny sample to it just doesn't seem like enough to pull off a slight result.

1
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Irritating
Sampled

This product burned my skin and the smell was awful - I like the brand of the product but would not waste money on this.

1
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Didn't DO Anything
Sampled

I've started to develop little lines on my face and was very excited to find this product in my box. After several nights of using this sample, I can honestly say I didn't notice a bit of difference. I'm still searching for a product to help with my fine lines

1
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Meh
Sampled

The sample was tiny. My skin tends to be dry. This product doesn't work for me. If I used a lot, it was better, but then the sample ran out.

1
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no difference
Sampled

Used sample faithfully, haven't noticed any difference.

1
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Not a fan
Sampled

I have very sensitive skin and it burns. So I had to wash it right off unfortunately.

1
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Yuck
Sampled

I was "sampling" this product as I opened my box. The smell was horrible. So so so bad. I put want I squirted out onto my skin and it felt nice, but I couldn't get over the stink.

1
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Unneeded and unwanted
Sampled

This product didn't seem to do anything and had a strange feel to me.

1
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I didn't see a difference
Sampled

I honestly didn't see a difference using this serum. I think I really need stronger acid serums in order to reveal my best skin. I'm not a fan of Kiehl's in general - I think most of their money is spent on marketing, not on the actual products themselves.

1
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meh

I wasn't too impressed - tho I don't have that many lines I didn't see anything improved. I wouldn't purchase this product.

1
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