Kiehl'S Women Almond Dermatologist Solutions PowerfulStrength LineReducing Concentrate 50ml/1.7oz
$88.99 reg $130.00
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4 out of 5 stars with 2112 ratings
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4.3 out of 5 stars with 53 ratings
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4.6 out of 5 stars with 3472 ratings
Guests are saying
The Kiehl's Powerful Strength Vitamin C Serum is a popular choice among guests for its ability to brighten skin, reduce fine lines, and improve overall texture. Many appreciate its smooth application and pleasant scent, making it a staple in their skincare routines. While some guests have experienced breakouts or noticed changes in the formula, the majority find it effective for achieving a youthful glow and even skin tone. Consistent use seems to yield the best results, especially when paired with sunscreen.
Summary created by AI from text of reviews reflecting recent feedback provided across different star ratings (includes incentivized reviews)
4.5 out of 5 stars with 1900 reviews
5 out of 5 stars
2 January, 2026
originally posted on kiehls.com
Amazing it’s my favorite Kiehls product! ♥️
Awe yeah , this is totally worth the money and even better when you can get it buy one get one for free! I’m in the sun a lot and this sedum is so addictive ! It is nice and light and feels so nice on my face. I use the oil then the serum and I can feel it working its vitamins and magic into my skin! Sometimes when I’m traveling I share some with friends and they just loose their mind like what is that? Omg love it! ♥️ it’s truly my favorite Kiehls product ! And , after a day at the beach or snorkeling and you come take a shower and put your Kiehls on it’s like getting into bed with heaven . I love it ! 💜
5 out of 5 stars
31 December, 2025
originally posted on kiehls.com
Worth every penny. I have dry and sensitive skin.
This product is amazing. My face is glowing and feels more tightened.
5 out of 5 stars
31 December, 2025
originally posted on influenster.com
Kiehl’s Powerful-Strength Vitamin C Serum
Before using it, my skin looked dull and slightly dehydrated. After about 3–4 weeks, I noticed my skin became brighter, smoother, and more even-toned. The scent is light and not overpowering, making it comfortable to use. The bottle has a simple but solid design, and the dropper makes it easy to dispense the serum. If you’re looking for an effective vitamin C serum, I think it’s worth trying.
5 out of 5 stars
30 December, 2025
originally posted on kiehls.com
Awesome for my routine.
Made my skin plump and soft to the touch. I definitely felt hydrated and rejuvenated.
5 out of 5 stars
30 December, 2025
originally posted on kiehls.com
Great Serum
Solid serum with a nice, soft citrus smell and warmth. I like the texture too.
1 out of 5 stars
29 December, 2025
originally posted on kiehls.com
Reformulated - not great
It feels like there’s a new, rough ingredient in this so when I put it on, it feels like there’s sand paper on my face. Did you reformulate this product?
1 reply from Consumer Care Center team - 11 days ago
Hello there! Thank you for bringing this to our attention. We’re sorry to hear about the texture you’re experiencing, as this is not the experience we aim to provide. The Powerful-Strength Vitamin C Serum has not been reformulated, but we’d be happy to look into this further with you. Please feel free to contact our Customer Service team at 1-800-543-4572 (Mon–Sun, 10:00 AM–7:00 PM EST) for personalized assistance.
5 out of 5 stars
29 December, 2025
originally posted on kiehls.com
Don't spend more
I've been using this product for over a year to reduce fine lines and make my moisturizer more effective, after deciding that I needed to find an alternative to the very expensive med spa serum I was using. I believe that this product is nearly or as effective as the competitive product that was double the cost. 1 small bottle lasts for months, when applied according to directions.
1 out of 5 stars
26 December, 2025
originally posted on kiehls.com
Formula changed for the worst
The formula changed. It has a slight grainy feel to it. This was my favorite product for many years. It used to give my face an absolute smooth feel to it but now it slightly tingles my cheeks. I am so sad that I lost my favorite product. Please bring back the old old!
1 reply from Consumer Care Center team - 12 days ago
Hello, and thank you for reaching out. We’re sorry to hear about your experience with the Powerful-Strength Vitamin C Serum and appreciate the opportunity to assist you further. Please give us a call at 1-800-543-4572 (Monday–Sunday, 10:00 AM–7:00 PM EST) and reference case #44578639. We look forward to speaking with you, and if possible, please have the product number available when you call.
5 out of 5 stars
24 December, 2025
originally posted on kiehls.com
Dullness & fine lines
I’ve been using this for 8 years now. I love it and still get a lot of compliments on my skin for brightness and little to no visibility of wrinkles on my face for being 53 years old.
5 out of 5 stars
24 December, 2025
originally posted on kiehls.com
Recomend
Been using this for a while on the recommendation of my dermatologist. It goes on easily and is not oily. My skin feels softer.
5 out of 5 stars
23 December, 2025
originally posted on kiehls.com
Feeling the mojo.
Love it. I feel it working. Been using for over a year. Integral to my routine.
5 out of 5 stars
22 December, 2025
originally posted on influenster.com
I like it
Kiehls products are iconic and im using it for many years,this Vitamin C serum makes my skin glowing and im using it almost everyday before I go out.
5 out of 5 stars
22 December, 2025
originally posted on kiehls.com
Looking 20 years younger than I am.
I love Kiehl’s products. The retinol products are fabulous and effective.
5 out of 5 stars
22 December, 2025
originally posted on kiehls.com
Great purchase!
I was told to start using Vitamin C. This is such a great product. A little goes a long way. It will last for some time.
5 out of 5 stars
21 December, 2025
originally posted on influenster.com
Quality product
There are many vitamin C serums that I have tried over the years and this has been an amazing one! It’s lightweight yet has excellent consistency and just enough product to target pores, wrinkles and dark spots. I used this constantly for a few weeks and saw a great difference!
5 out of 5 stars
21 December, 2025
originally posted on kiehls.com
Extremely Great Products
Im using several of Kiehl’s products, and I love them all. I have super dry and sensitive skin however, these products dont irritate my skin at all. They keep my skin moust and hydrated. I love them.
5 out of 5 stars
20 December, 2025
originally posted on kiehls.com
Excellent Skin Treatment
I love this creamy serum. It provides extra help for improving skin texture and minimizing fine lines, but it's not harsh.
2 out of 5 stars
20 December, 2025
originally posted on kiehls.com
Better than Most
I don't really go in for all the hocus pocus of creams for women. I like this because it blends well with my makeup. However, it's sooooo expensive so I can only buy when it's on sale. Otherwise, it's not really worth it. 5 stars for the quality, but 1 star for the gouging price.
1 reply from Consumer Care Center team - 16 days ago
Hi EllCee! Thank you for sharing your feedback. We’re pleased to hear that you’re happy with the quality of the product and how well it blends with your makeup. We understand your concerns regarding pricing, and we appreciate you sharing your perspective. Your feedback is valuable and we thank you for choosing Kiehl’s!
1 out of 5 stars
20 December, 2025
originally posted on kiehls.com
Don't like it
[This review was collected as part of a promotion.] I think it doesn't working how it say... I would like yo return this is new because I tried a sampler.
1 reply from Consumer Care Center team - 16 days ago
Thank you so much for taking the time to share your feedback with us. While these concentrated complexion boosters provide a targeted treatment to help your skin look brighter, smoother, and healthier. we understand how disappointing it can be when results aren’t immediate. Skincare can be very personal, and results may vary depending on individual skin type and routine. For best results, we generally recommend consistent use for at least three months. Your feedback is truly appreciated and will be shared with our team. If you need help finding the right products for your routine, please don’t hesitate to call us at 1-800-543-4572 (Mon–Sun, 10am–7pm EST). We’re always happy to help.
5 out of 5 stars
20 December, 2025
originally posted on kiehls.com
Revive my skin
Great love using this serium makes my skin come to life