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Powerful-Strength Line-Reducing Concentrate

A potent Vitamin C serum with 12.5% Vitamin C and Hyaluronic Acid.

Powerful-Strength Line-Reducing Concentrate

A potent Vitamin C serum with 12.5% Vitamin C and Hyaluronic Acid.

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Total: $65.00

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Product details

Now formulated with even more Vitamin C, Dermatologist Solutions™ Powerful-Strength Line-Reducing Concentrate is infused with 10.5% L-Ascorbic Acid and 2% Ascorbyl Glucoside along with Hyaluronic Acid. Our new and improved formula helps reduce fine lines and wrinkles while improving skin’s texture and radiance.

  • Visibly reduces the appearance of fine lines and wrinkles, boosts skin radiance and improves texture
  • Helps visibly minimize pores over time for smoother skin
  • Formulated with a powerful 10.5% L-Ascorbic Acid, 2% Ascorbyl Glucoside along with Hyaluronic Acid
  • Demonstrated in a clinical study to decrease the appearance of fine lines and wrinkles and visibly improve skin radiance and texture
  • Demonstrated in a clinical study to decrease the appearance of deep-set wrinkles, forehead wrinkles and marionette lines after 4 weeks
  • Dermatologist-tested for safety
  • Carefully-formulated for all skin types, even sensitive skin
  • A customer favorite

*Results from an 8-week clinical study.

Key Ingredients
Vitamin C

Pure Vitamin C

L-Ascorbic Acid, also known as Pure Vitamin C, is a highly efficacious antioxidant known for its ability to improve the appearance of aging skin. In addition to antioxidant protection, Pure Vitamin C is known to help boost radiance, improve texture and visibly reduce the appearance of lines, wrinkles and other signs of aging.

Fragmented Hyaluronic Acid

Fragmented Hyaluronic Acid

Hyaluronic Acid acts like a sponge to draw moisture into skin’s surface layers and then expands as it absorbs. Hyaluronic Acid is known to help smooth and plump skin and is commonly used in products formulated to help reduce the appearance of facial lines and refine texture.

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Print

Now formulated with even more Vitamin C, Dermatologist Solutions™ Powerful-Strength Line-Reducing Concentrate is infused with 10.5% L-Ascorbic Acid and 2% Ascorbyl Glucoside along with Hyaluronic Acid. Our new and improved formula helps reduce fine lines and wrinkles while improving skin’s texture and radiance.

  • Visibly reduces the appearance of fine lines and wrinkles, boosts skin radiance and improves texture
  • Helps visibly minimize pores over time for smoother skin
  • Formulated with a powerful 10.5% L-Ascorbic Acid, 2% Ascorbyl Glucoside along with Hyaluronic Acid
  • Demonstrated in a clinical study to decrease the appearance of fine lines and wrinkles and visibly improve skin radiance and texture
  • Demonstrated in a clinical study to decrease the appearance of deep-set wrinkles, forehead wrinkles and marionette lines after 4 weeks
  • Dermatologist-tested for safety
  • Carefully-formulated for all skin types, even sensitive skin
  • A customer favorite

*Results from an 8-week clinical study.

Print
Vitamin C

Pure Vitamin C

L-Ascorbic Acid, also known as Pure Vitamin C, is a highly efficacious antioxidant known for its ability to improve the appearance of aging skin. In addition to antioxidant protection, Pure Vitamin C is known to help boost radiance, improve texture and visibly reduce the appearance of lines, wrinkles and other signs of aging.

Fragmented Hyaluronic Acid

Fragmented Hyaluronic Acid

Hyaluronic Acid acts like a sponge to draw moisture into skin’s surface layers and then expands as it absorbs. Hyaluronic Acid is known to help smooth and plump skin and is commonly used in products formulated to help reduce the appearance of facial lines and refine texture.

See Full List

how to apply

How to apply
  • STEP 1: Cleanse skin thoroughly prior to application
  • STEP 2: Apply Vitamin C serum over entire face, avoiding the eye area
  • STEP 3: As the formula blends into skin, you may experience
    a feeling of warmth
  • TIP: Can be used twice a day, morning and night
  • Explore our other Vitamin C skincare products like Kiehl’s Powerful-Strength Line-Reducing Eye Brightening Concentrate

results

After

After

Before

Before

IMMEDIATELY: Visibly Improved Skin Texture and Boosted Radiance

IN 2 WEEKS: Reduced Lines and Wrinkles

IN 4 WEEKS: Visibly Reduced Deep-Set Wrinkles

Results from an 8-week clinical study. Photos not retouched. Individual results may vary.

Immediate Week 2 Week 4 Week 8
Radiance checked checked checked checked
Decreased Facial Lines checked checked checked checked
Skin Texture checked checked checked checked
Decreased Deep-Set Wrinkles checked checked
Decreased Lip Lines checked checked
Improved Firmness checked
Visibly Reduced Pores checked
The Truth About Vitamin C Skin Care

The Truth About
Vitamin C Skin Care

learn more

HERITAGE HIGHLIGHT

HERITAGE HIGHLIGHT

Kiehl’s chemists stabilized 10.5% Pure Vitamin C in a water-free formula more than 13 years ago and became pioneers in Vitamin C skincare products. Now, our formula includes 12.5% Vitamin C and Hyaluronic Acid.

Powerful-Strength Line-Reducing Concentrate is rated 4.6 out of 5 by 606.
Rated 5 out of 5 by from Smells divine! I've been using this for a couple of weeks now and I love it! The smell is lovely just before bed, it absorbs really well and has definitely made my skin brighter. I knew it was making a difference when my husband said that I looked really good one morning having just woken up and been up half the night with the baby. Must be doing something! The only thing I didn't realise was you have to pat it into your skin. I spent a couple of days rubbing it all over my face. The packaging could do with a bit of info on usage.
Date published: 2013-11-25
Rated 5 out of 5 by from Very pleased come thru vitamin C! I received a sample of this and tried it. I love the smell and texture of this product. It absorbs very easily into the skin and just smooths out all over your face. The product is a bit pricey! but beauty comes with a price! lol
Date published: 2019-02-02
Rated 1 out of 5 by from Didn’t Work It made no difference to my wrinkles or my dry skin at all. I’m really disappointed after paying such a large sum of money for this product.
Date published: 2019-02-02
Rated 2 out of 5 by from Not working for me I don't get it! I bought the smallest size and have been using it every morning for nearly 4 weeks and I see no effect at all. It's reasonably hydrating so I haven't had to use another moisturizer in the morning but that's it. No reduction in fine lines (I'm 33 and have noticeable fine lines and some deeper worry lines), no difference in tone or texture, no difference for sun spots or light acne scarring. I personally really don't care for the slick silicone texture - it doesn't really absorb, and just sits there feeling silicone-y. I haven't had any irritation or breakouts so it's not having a negative effect, but for the price I am disappointed that I have seen zero improvement.
Date published: 2019-01-24
Rated 2 out of 5 by from Discontinues product Double Strength Deep Wrinkler Filler I am so disappointed you have discontinued this [roduct. The new one does not work as well at all. I will have to try and find a different provider.
Date published: 2019-01-21
Rated 3 out of 5 by from Unhappy with customer service I bought this product in Siam Paragon,Thailand. This is my first vitamin c serum. When I opened the bottle at my home, the serum was light yellow. However, since I do not live in the city, I did not go for an exchange. After two months, I did not see much difference so I decided to use a second bottle.I went to Central World, Chidlom and the serum was dark yellow. When I asked the salesperson to give me new ones, he said yellow serums are ok. The batch of serums he had was from August 2017. However, I asked him if I could see the color of other serums he had if he did not have new batch. He told me that I would have to buy it if he showed me. I told him I would not buy if it was yellow. He finally agreed and the serum was yellow and I said I would not buy it as I was given a yellow serum earlier as well and I was not happy about its performance. Finally he said he had one last serum left which was newer. This one was manufactured in Feb 2018 and the serum was white. I hope this time I will see some good results.
Date published: 2019-01-21
Rated 5 out of 5 by from Tried a Sample - Now Love It!! I have sensitive skin so I'm reluctant to try new skin products. However, this has been wonderful to my skin. Since I started using it I get numerous comments on how smooth my skin looks! Keep in mind to use as directed to get the full benefits. I was using it intermittently and when I used it as directed that's when I saw an immediate change and received (and continue to receive) nice comments about my skin :)
Date published: 2019-01-20
Rated 5 out of 5 by from Fine Lines Gone I’m a 54 year old male and I have to say that this product really gets rid of the fine wrinkle lines with regular use. It goes on matte which I like. Highly recommend if you want to dial back the clock to about 7 years or more.
Date published: 2019-01-19
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Can you please advice me when you go back to original formula?

Your original was top notch. I would see almost immediate results,which was amazing. I do not know why companies always have to mess up a good thing. With the negative comments I have been reading & hearing lately, I will not be purchasing any time soon. You lost here a long time customer.
Asked by: imqt

Serum texture

Just wondering what I am supposed to expect as far as the texture of this serum. I just got this one in the tube and have been using it for about 4 nights. Every time I apply it, the texture has a slight grittiness to it. I am just not used to serums having any texture other than silky. If this serum truly does has a slight grit or exfoliating property then I really just wanted to make sure I don’t have a defective product.
Asked by: Annieiiy

I bought this two years ago and my girlfiend is using it i dont see an expiration date, should there be one?

Please advise expiration date
Asked by: Rubadub

Can I apply my cilantro mask OR midnight recovery after applying this product?

Asked by: DeniseFerreira

Which moisturizer does this work with?

I have combination “mature” skin.
Asked by: BonnieA
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