59%
would repurchase
4.0/5
package quality

price range

Reviews

Reviews


4.0
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6 years ago

I was pleasantly surprised by the effects of this peel on my skin. Ive been having rosacea problems the past couple of years and decided to reuse this bottle of mine ( in my shelf for a few years...

About reviewer (1 reviews)

Age44-55

SkinCombination, Olive

HairBlack

EyesBrown



3.0
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7 years ago

I was on the fence about the effectiveness of this product. It did plump, smooth, and tighten my skin a bit when I used it - I notice these things the morning after using it. But I felt the results...

About reviewer (97 reviews)

Age36-43

SkinCombination, Fair-Medium, Warm

HairBlack, Straight, Fine

EyesBrown


1.0
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8 years ago

Bought this product to try as I had read some good reviews on it, I've now used half a bottle and this has done absolutely nothing for my skin! Accept make it more red. It has no scent and the...

About reviewer (1 reviews)

Age19-24

SkinOily, Olive

HairBlond

EyesHazel


3.0
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9 years ago

I only had a sample, but I have nothing bad to say about the product. I didn't notice a smell, but I've heard other people talk about the smell. I thought when I washed it off, my face did...

About reviewer (160 reviews)

Age36-43

SkinCombination, Tan, Not Sure

HairOther, Curly, Fine

EyesBrown


4.0
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9 years ago

Sitting on the fence about thus one: it smells awful ( contains urea), it's, however an effective exfoliant. I alternate this overnight with Paula's choice stuff, the thing is you can't moisturise...

About reviewer (62 reviews)

Age36-43

SkinDry, Fair-Medium

HairBrown

EyesHazel


5.0
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9 years ago

This thing healed my acne in four days. I have mild to moderate acne problem and had been using a prescribed tretinoin cream (0.1%) for a little over a month. Even though the purging state was...

About reviewer (68 reviews)

Age25-29

SkinCombination, Fair-Medium, Neutral

HairBrunette, Wavy, Coarse

EyesBrown


5.0
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10 years ago

I love to use Kiehl's Over-Night Biological Peel on my sensitive skin once a week. You can just spread the serum, leave it on your face over the night, and your flaky skin appears smoother and...

About reviewer (2 reviews)

Age56 & Over

SkinSensitive, Olive, Cool

HairSilver, Straight, Medium

EyesBrown


5.0
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10 years ago

Im acne prone and no break outs, more even skin tone and smaller pores I will update in few months...

About reviewer (1 reviews)

Age25-29

SkinAcne-prone, Tan

HairBlack

EyesBrown


3.0
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10 years ago

So my first impression of this product was amazing, gave me beautiful glowing flawless skin after only 5 hours of wearing it during the day. The only problem is this gives me horrible break outs...

About reviewer (124 reviews)

Age19-24

SkinAcne-prone, Olive

HairBrown

EyesBrown


5.0
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10 years ago

it's a HG in my skincare regime!!! It's sticky and uncomfortable when it's used during the night but this stuff is amazing!makes skin glow clear and glowing,I have oily-combo skin and I've stopped...

About reviewer (57 reviews)

Age36-43

SkinVery Oily, Fair-Medium

HairBrunette

EyesBlack


5.0
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10 years ago

This has been a real game-changer for me! I've had acne-prone skin for a really long time, with issues with oiliness, skin texture, and big ole' fat pimples. Since I started using the Biological...

About reviewer (43 reviews)

Age19-24

SkinDry, Fair-Medium, Neutral

HairBrunette, Wavy, Medium

EyesBlack


1.0
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10 years ago

I love Kiehl's and I bought this product with curiosity. I am afraid the price paid starts to hurt after experiencing no difference on your skin no matter how much you want.

About reviewer (1 reviews)

Age30-35

SkinCombination, Olive

HairBrown

EyesBrown


5.0
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11 years ago

I was looking for a glycolic peel to buy and came across this. Kiehls products are great. My skin is pretty good and i only get a few breakouts here and there but its good to invest and look after...

About reviewer (37 reviews)

Age25-29

SkinNormal, Medium

HairBrunette

EyesBlue


4.0
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11 years ago

I got this as a sample recently and have been using it once a week on my sensitive skin. My first impression of this is that it didn't seem to do very much, and I felt as though I didn't see that...

About reviewer (78 reviews)

Age19-24

SkinSensitive, Fair-Medium, Warm

HairBrunette, Straight, Medium

EyesBrown


3.0
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11 years ago

I wanted to love this product but I don't entirely hate it but, I have mixed feelings for this. First off the price is way too much for what it does, 2nd it was so irritating to sleep in. It makes...

About reviewer (27 reviews)

Age19-24

SkinOther, Medium, Warm

HairBrunette, Wavy, Medium

EyesHazel


4.0
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11 years ago

I bought this product after a horrible bout of acne, and realized I had to do something about those unsightly scars. The MUA recommended this peel, and I decided to give it a go. First off, I...

About reviewer (4 reviews)

Age19-24

SkinSensitive, Fair

HairBlack

EyesBlack


1.0
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11 years ago

what is it? it doesnt works at all ! i already have good skin and my skin is smooth. but when i apply this and wake up next morning thr is no effect of it..what a waste..thr is no singal...

About reviewer (3 reviews)

Age30-35

SkinCombination, Fair

HairBlack

EyesBlack


1.0
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11 years ago

Awful product. I asked Kiehl's for something that would help promote the healing of some raw, dry patches of my skin that were kind of "open" and not taking makeup well. They gave me a sample of...

About reviewer (4 reviews)

Age30-35

SkinSensitive, Fair-Medium

HairBlond

EyesBlue


3.0
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12 years ago

I have been fortunate to acquire Over-Night Biological Peel for 20 USD (53% off the original price) because the store was closing. My impressions are that it is a decent potent product. It did...

About reviewer (142 reviews)

Age36-43

SkinCombination, Fair-Medium, Not Sure

HairBlack, Other, Other

EyesBrown


4.0
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12 years ago

I would buy this product again, but wish it was a little cheaper! I use this a couple of times a week, but will especially use it the night before an evening out - say use it Friday night, go out...

About reviewer (3 reviews)

Age25-29

SkinCombination, Fair, Not Sure

HairBrunette, Other, Other

EyesBlue