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 1,173 Reviews 1,173 Reviews
3.9 out of 5 stars
5 Star
419
4 Star
382
3 Star
257
2 Star
71
1 Star
44
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Little Tingley, but nice
Sampled

As warned, this does feel a little tingley when you use it - It's not a bad feeling at all though. I don't really have any lines yet thankfully, but I'm hopeful that it will help prevent them from forming! It does make my skin feel nice, I'm sure I will use up the entire sample, but I don't foresee ordering this myself for awhile yet...

4
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Great product!
Sampled

Enjoyed trying this sample and debating buying full size. When applied you feel a warm sensation San it just melts into your your skin. It absorbs immediately

4
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Liked this product
Sampled

I like how this goes on my skin and the touch of heat after I put it on feels great but I'm not sure how much good it is actually doing. This is one that is required to use over a long period of time to see if it actually works! But, I did like this product and would think about purchasing a full size product.

4
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Koehler usually delivers
Sampled

I like this brand and liked this product ok. Smelled good and felt great on my skin. Honestly could not tell a difference in fine lines. Maybe a full size & more time would see results

3
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First birch
Sampled

This was my first birch box. I was excited for the anti aging cream. Sample was so small I would never be able to tell if it was something I would purchase. I received a dru shampoo that I won't use because my hair is so fine I am afraid it would damage it. Hopefully next month will be better. Enjoying the mascara

3
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love it
Sampled

I love this serum. After only a week I've noticed a difference of smoother skin. Just ordered the full size bottle!

5
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Smells like metal, didn't see many benefits
Sampled

I only used the trial size from my box, so that may be why I didn't see any benefits. Like many other people, this would come out clearish with spots of white, and I had to reallllly shake up the tube to mix it up so it came out milky like it was supposed to. The product smells metallic to me, which I don't like.

1
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Not ready for fine lines
Sampled

I have been using this product for a week, and have already noticed a change of the disappearing lines. Love this product and will be buying more when I run out of my sample!

4
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very moisturizing
Sampled

I loved the way it made my skin feel. It definitely does the job of smoothing out my fine lines.

4
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Line-reducing concentrate
Sampled

I've tried this stuff before and loved it. Now I love it even more. Fountain of Youth. Miracle drug. I can't say enough good things about this product. Wish it didn't cost so much.

5
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