Powerful-Strength Vitamin C Serum

All Skin Types, including Sensitive Skin

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

Powerful-Strength Vitamin C Serum is rated 4.4 out of 5 by 481.
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Powerful-Strength Vitamin C Serum

Powerful-Strength Vitamin C Serum

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

or 4 installments of $17.50 by Afterpay Learn more
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What It Is

An antioxidant-rich Vitamin C serum that instantly boosts radiance, helps firm skin and visibly diminishes fine lines, wrinkles and pores for smoother-looking skin. Formulated with 10.5% L-Ascorbic Acid and 2% Ascorbyl Glucoside plus Hyaluronic Acid, this patented, water-free, stabilized Vitamin C concentrate is a Kiehl’s customer favorite for glowing skin.

What It’s Good For

  • Instantly boosts radiance
  • Helps visibly reduce lines and wrinkles in just 2 weeks, while helping firm skin over time
  • Smoothes skin’s texture and helps visibly minimize the appearance of enlarged pores
  • Stabilized Vitamin C penetrates skin’s deeper surface layers and remains effective in skin for up to 6 days
  • Dermatologist-tested for safety

Key Ingredients in Our Vitamin C Serum

How to Use Our Vitamin C Serum

  • Cleanse and tone skin thoroughly prior to application of vitamin C face serum for day and night
  • As it blends into skin, you may experience a feeling of warmth as the formula activates
  • Follow with your favorite moisturizer and SPF in the day time
  • Avoid the eye area; in case of contact with eyes, rinse them immediately
  • Discover our other anti-aging formulas like our anti-aging face and neck cream, moisturizing facial oil, and our dark circle eye cream.
Did You Know?

Kiehl’s History with Vitamin C Serums

Did You Know?
Kiehl’s became pioneers in Vitamin C skincare when we first stabilized Vitamin C in our efficacious, water-free concentrate. Our patented Vitamin C serum is highly stable ensuring that our formula is concentrated with an efficacious amount of Vitamin C while still being suitable for sensitive skin. Within our hyaluronic acid and vitamin C formula, our Vitamin C penetrates skin’s deeper surface layers—up to 10 layers deep!

Our Vitamin C Serum Results

Before and after

How quickly can I expect to see results from Kiehl’s Vitamin C Face Serum?

  • Immediately: Vitamin C Serum Visibly Improves Skin Texture and Boosts Radiance

  • In 2 weeks: Vitamin C Serum Reduces Lines and Wrinkles

  • In 4 weeks: Vitamin C Serum Visibly Reduces Deep-Set Wrinkles


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



Future Made Better

True to our founding family’s mission, we strive to improve the quality of the communities we serve by reducing our
environmental impact, formulating responsibly, and supporting charitable causes. This formula is made with:
Responsible Formulation
Commitment to Recycling

Complete Your Routine

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Frequently Asked Questions

Answers to Your Frequently Asked Questions

This product evens out my skin tone and even cuts the oil. My skin looks great after 2 weeks. —Eric717, kiehls.com
Rated 1 out of 5 by from Warning - Stains Fabrics! Used this product for 3-4 weeks before realizing that it was the cause of mysterious orange stains on my pillow cases and shirt collars (that cannot be laundered out). I'm a big fan of many other Kiehl's products. But this one has ruined two sets of sheets and about a dozen dress shirts. Be warned...
Date published: 2019-11-25
Rated 5 out of 5 by from In love! I'm on my second bottle. My first bottle was last year and I fell in love with the texture and results. I'm in my early 40's. I don't have very visual wrinkles but I do like to take care of my skin before anything drastic happens. I love the way it left my skin after weeks of use. My skin did looked more youthful. The pours minimized and it toned my skin. My comments/question is and I would like a reply back on this, the texture on the first bottle was a little raspy. When gliding through my skin it felt like a scrub feel. I didn't mind it at all. It left my skin super smooth. But on this second bottle I just bought last week, the raspy texture is not there anymore. What changed? Will it affect the outcome of this product? My skin in normal, a little dry in the winter. The serum does not leave my face oily or shiny. It absorbs quickly. I do use a gentle scrub so maybe you should add that to your routine in order for this product to work the way it should. I love this product and I wish it was a bit less expensive but I will continue to use.
Date published: 2019-11-14
Rated 5 out of 5 by from Wonderful ! Totally in love with it ! This is the most lovely product that I have used ! I will use it for my whole life . I love the texture , the smell and the effects over all. It works great on my skin , left a good feeling on it . I use it 2 times a day and it absolutely has changed my skin , it's soft like a baby skin . The price is unconsidered with the effects . Definitely worth the price and definitely is the best product followed by Ultra Facial Cream . Thank you Kiehl's . I love all the products !
Date published: 2019-11-13
Rated 5 out of 5 by from Did you get botox!!! I used Too much of sample of this product. Its a bit deceiving as it looks like a cream but its consistency is more oily- going a long way. Because i used too much by how it came out, i waited to go to bed- not wanting to stain my pillow. At work the next day my coworker made me “ wrinkle my forehead “ to prove i hadnt received botox. The effects of this product were so good. I ordered it and am using it now. I still use it generously and let it sit for 1-2 hours before going to bed. I have dry skin& am in my 50’s and need it generously. Love the warming sensation when putting it on. It a ts like a mask that you dont wash off. It will be completely absorbed in the morning.
Date published: 2019-10-20
Rated 5 out of 5 by from Great face serum! Tried a sample and then switched to this from the Age Defender serum. Much more effective. Really kind of revealed the underlying and fresh skin. I’m apply twice a day followed by Facial Fuel over it. Only been using for a couple of weeks now but very impressed so far. Best Kiehls product that I’ve used to date.
Date published: 2019-09-27
Rated 1 out of 5 by from Nothing changed, waste of money. 30 days later I saw zero change. I’m so tired of false claims I took a pic before then again 30 days later. It does not work at all. Too pricey at any cost for zero results. what I’d love to see is a 55-60 year old model! I didn’t have even fine lines at 45 and you’re using someone who’s “almost” 40, this is a joke. I have pretty good skin but not even a change in the finest of lines. No thank you!
Date published: 2019-08-30
Rated 2 out of 5 by from Initial Thoughts I will have to wait a few weeks to see the long term results. However, it is quite hard to wear from first impressions. The citrus smell is quite strong and slow to dissipate. It leaves a shiny and silky residue when you first put it on that doesn't really disappear, which is quite annoying because it brings out the wrinkles and texture in your skin.
Date published: 2019-08-16
Rated 5 out of 5 by from Really impressed I really like this product and have been using this for many months now (on my 3rd bottle now I think?). I use it morning and night after cleansing. A little goes a long way (1-2 pumps). I find all products like this work best when you also regularly exfoliate which I do about 3 times a week. This product leaves my skin very smooth and has had a significant improvement impact on fine lines and wrinkles. I plan on continuing to use this for a long time. Thanks Kiehl’s!
Date published: 2019-08-03
Rated 5 out of 5 by from Great for oily skin This is one of my favorite serums. I love the matte texture.
Date published: 2019-07-29
Rated 2 out of 5 by from Bottle #2 Being a new custom to kiehl's i was very excited to try the products and really like some of the other products. I have to agree 100% with some of the other reviews on this line reducing concentrate changed..I was so impressed with my first bottle and saw such a difference in forehead lines reducing and now my second bottle not the same and is not working and now the lines seem to be returning
Date published: 2019-07-20
Rated 4 out of 5 by from WOW It really works I tried some at an Ulta beauty shop and couldn’t believe within a couple minutes the lines under my eyes and forehead were 75% gone. I’ve tried many products and nothing has ever worked like this to get rid of wrinkles instantly. As far as the consistency I found it a little greasy but I would put up with that especially like the price value. My only complaint is the second ingredient is dimethicone and according to things I have read it puts a coating over your skin not allowing it to breathe. Why does Kiehls use this and not more natural ingredients in their products? I will stick with Anthony products because of the reason above. Otherwise I would’ve switched. I may decide to use it during the day and Anthony at night
Date published: 2019-07-19
Rated 1 out of 5 by from Not up to expectactions I was really looking forward to this product after reading so much good reviews. I've been using it for two days -- so I cannot comment at all on the long term effect of the product. There was no immediate effect. The feeling after putting the serum on my face is just bad. It feels like a thick coating layer that doesn't soak in, my skin doesn't feel like my skin but with something on top that is sticky, strong and as if it doesnt let my skin breath. I just have an urge to wash it out. I dont know if it is the silicone which is super high in the ingredient list, or another ingredient, but its not comfortable and I dont think I will continue using it, but search for another vitamin C based serum. Sorry :(
Date published: 2019-06-22
Rated 5 out of 5 by from Life Changing!!! I developed fine lines on my forehead early (around 19-20 yrs old), probably due to my face expressions/drinking a lot in college. I was very insecure about them. About 1.5 years ago, I bought this line-reducing concentrate after much research. The concentrate worked wonders!!! and the bottle lasted awhile. I will now only see faint forehead lines if I'm super dehydrated while talking a lot. (weird observation but I'm very self-aware!)
Date published: 2019-06-17
Rated 5 out of 5 by from Love this I am a 43 year old male with oily skin. This product evens out my skin tone and even cuts the oil. My skin looks great after 2 weeks. I will keep using. I use it twice a day after clensing, then toning, this product, then when it dries a moisturizer.
Date published: 2019-06-13
Rated 5 out of 5 by from Love this product! Using my second bottle now. Continued use has definitely reduced my wrinkles and plumped the skin. I'm about a year out from quitting smoking and this has really helped bring my skin back. It does work better to use alone as the only serum under moisturizer, I find. If I add a second they can pill.
Date published: 2019-05-19
Rated 2 out of 5 by from Fourth bottle now - prefer the old formula I loved the velvety texture from the old formula, and I genuinely felt it made an impact on my fine lines. I am now in my early thirties and need more than just moisturizing, and this serum was what kept bringing me back to Kiehl’s. This new formula, as others have mentioned, feels sticky upon application and does not seem to affect my fine lines whatsoever. I have finished the large size of the new formula, and I am unimpressed and can’t say I will be purchasing another bottle.
Date published: 2019-05-09
Rated 5 out of 5 by from Amazing! I’m hooked Got this in a sample form & once I tried it I knew I needed to have it in my life. It goes on a little oily but dries down to perfection, I feel younger after using this and I’ll be back for more! Thank you Kiehls for this magic product <3
Date published: 2019-04-28
Rated 2 out of 5 by from Less effective I've been using this Kiehl's formula for more than 5 years. It has always worked well but lately the product seems to turn orange quickly. I have really liked this product in the past but I'm concerned that it may not last as long or be as effective as before (i.e. thus the orange tint). Did the formula change result in decreased product longevity? Please fix it as I really value this product.
Date published: 2019-04-26
Rated 1 out of 5 by from Please bring back old formula Just purchased a new bottle after absolutely loving what this product has done for my skin however the formula has been changed and this is not at all the same product as before. I appreciate that you have increased the percentage of of vitamin c however that is not the game changer here. The old formula went on smooth and blended well into the skin without being oily. It had a slightly yellow color at first glance and seemed to be slightly tinted when applying to skin which was great. This also helped to enhance the “blurring” effect over fine lines which in my opinion was the primary reason I fel in love with the product. An unspecified sum of money later, the new formula is white/not tinted, leaves skin looking and feeling noticeably oily, and I hate to say feels as if I smeared generic body lotion on my face. There is absolutely no blur effect as before and the only noticeable difference after applying is that I look sweaty or greasy. I am sorry to leave a negative review however this is absolutely the one and only product that has made me a repeat customer. Unfortunately if the old formula is not brought back then I will sadly be on the hunt for an alternative. Sadly I do not think I will ever find a product equal in immediate visible benefits as your old formula. See photo for comparison of new formula v old formula.
Date published: 2019-04-20
Rated 5 out of 5 by from dull skin is better I have just used the product for a few days but I get a good result. My face skin looks better. Like it! In addition, I really like an eye cream as one of the product sample that I got.
Date published: 2019-04-05
Rated 1 out of 5 by from It just doesn’t work at all I bought this from Malaysia airport duty free shop . It’s feels warm in start when you apply but it is not giving any result I am 34 there are fine lines appearing on my forehead and under the eye too. I was hoping that it will work on my fine lines but it’s sad to say it didn’t work a bit .
Date published: 2019-04-01
Rated 2 out of 5 by from Can’t Notice Any Line Reducing Effect This product feels wonderfully warm when it goes on and like it should be doing something marvelous. Unfortunately, I have not noticed any line reducing impact after using over half the bottle, so I can’t recommend it, especially at such an expensive price. In short, it feels lovely but appeared to have no noticeable effect.
Date published: 2019-03-23
Rated 5 out of 5 by from excellent serum I got this as a sample because we are going on vacation and i was spending more time in the sun. I absolutely love the way my skin feels with just a little more the a pea size amount. it's warming when it goes on and soft. I already ordered more of it.
Date published: 2019-03-08
Rated 1 out of 5 by from Very disappointing I am a big lover of Kiehl's products and I so wanted to love this product as I do my other Kiehl's products but, after two months of consistent use, I have not notice any difference at all. Currently, I am 27 years old and am starting to have a few smile lines. I figured if this was able to be so helpful for older winkles, it should be able to help "fresher" wrinkles more easily but this has not been the case for me. My wrinkles are just as prominent as they were before starting this treatment. I will definitely be searching a new vitamin C product.
Date published: 2019-03-04
Rated 5 out of 5 by from I LOVE the way it feels I love this stuff. I have used the product for a month(?) and have no idea if it is visibly making a difference or not, but I know both vitamin C and hyaluronic acid are really good for my skin. And it feels so good!!! My skin feels so smooth. I do use moisturizer on top of it, plus a hydrating spray. I'm 66 and I need all the moisture I can get. My plan is to buy a bottle for my daughter on her birthday. She's turning 40 this year and we share a lot of skin products with each other.
Date published: 2019-03-01
Rated 1 out of 5 by from Has a warming effect This serum has a warming effect upon application. I applied it daily in the morning and every other night when I didn't use the spot corrector. Used for 6 months, but it didnt really even out my skin tone or brighten my face.
Date published: 2019-02-25
Rated 5 out of 5 by from Excellent I really love this product! It has an inmediet brightning effect. Great to use in the morning and look fresh and with a healthy skin. Its a pitty its so expensive!
Date published: 2019-02-21
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 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
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