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 1,201 Reviews 1,201 Reviews
3.9 out of 5 stars
5 Star
433
4 Star
390
3 Star
263
2 Star
71
1 Star
44
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Fave
Sampled

This was my FAVE product in this box. It makes my skin feel great and will consider buying the full size. I would recommend

5
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smooth texture
Sampled

I've heard of this product line before. It is trusted. I would definitely buy this product in full size.

5
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Nice results
Sampled

This product feels like an expensive spa product and I could see that it would work well with regular use.

5
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Must have 
Sampled

I love, love, love this! I'm constantly looking for a great under-eye cream- this is it! It stays moisturizing throughout the day - and helps reduce the appearance of fine lines. Let's cut to the chase- just buy this! You will not be disappointed!

5
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I want more Kiehl's!
Sampled

There is a really is a nice warm tingle when applied so you know it is working and a slight tightening sensation but not a dry feeling. It makes my skin look and feel smooth after application. I will definateley be purchasing the full size to see how it continues to improve and preserve my complexion.

5
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A New Member of my Nightly Regimen
Sampled

After I wash my face and moisturize, this stuff is a must around my eyes and critical wrinkle spots. It really does smooth out my skin.

5
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Noticeable difference
Sampled

It goes on nice and light, feels a little warm when first applied, however it did not irritate my sensitive skin. This product made a noticeable difference in my skin within a day or 2. I am 52, with lines and sun damage, so yes I could notice! Fine lines were reduced a bit, and skin tone looked smoother. I will buy the full size, even though it's a little pricey. Great product, quick visible results, no irritation.

5
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See results fast!
Sampled

I have used this product just for a few days and it has already made an impact. I will be ordering this again!

5
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Great Product
Sampled

This is the most surprising line-reducing skincare product that I have used. Why? I was able to see a difference just by using a small sample. I am very excited about this product and will definitely purchase.

5
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Reducer
Sampled

Perfect for that quick lift on the go. I absolutely love it. Thanks Birchbox! I would order this again.

5
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