Kiehl's Powerful-Strength Line-Reducing Concentrate for dry skin
Ascorbic Acid
Sodium Hyaluronate
Glycerin
AdenosineAverage
- AverageDry Skin Fit
- AverageEffectiveness
- ExcellentSafety
Works for dry skin; other serums fit it better.
This fit is calculated for the concerns frequently associated with dry skin: flakiness, tightness, dehydration, fine lines, and wrinkles. For scores and recommendations based on your full skin profile, including your 12D face scan results and any goals or preferences you have, please use the Lovi app.
Page built Nov 8, 2026How the Fit score works
Lovi Assistant explains
- Offers moderate suitability for your dry skin, as Glycerin and Hydrolyzed Hyaluronic Acid provide essential hydration, but it lacks sufficient emollient ingredients for optimal results.
- The formula effectively reduces wrinkles with Ascorbic Acid and Adenosine, addressing your concerns about fine lines and wrinkles.
- The safety profile is excellent for your dry skin, with no risks of irritation due to the absence of harsh ingredients and the inclusion of soothing components like Hydrolyzed Hyaluronic Acid.
How to apply
- Apply this serum PM, starting 3×/week and working up to daily use as your skin adjusts.
- Place the serum after cleansing and toner, but right before your moisturizer.
- Gently press 2-3 drops of the serum into your skin and let it absorb for a minute.
- Apply the serum on slightly damp skin to help lock in extra moisture.
- Avoid the eye area and do a patch test before your first use.
People Say
★4.4Overall rating based on 3.5k+ reviewsBased on a very large amount of data, users frequently praise this serum for its high concentration of Vitamin C and Hyaluronic Acid, noting that it visibly brightens dull complexions and smooths skin texture almost immediately. While many appreciate the unique warming sensation and velvety finish, results on deep wrinkles vary, and the silicone-heavy formula can be polarizing for those with oily or acne-prone skin.
Highlights
Smoother skin Mostly Mentioned
- “leaves skin feeling silky”
- “instant blurring effect”
- “velvety finish”
- “softens rough patches”
Visible brightening Often Mentioned
- “faded acne scars”
- “woke up glowing”
- “skin looks more radiant”
- “evened out skin tone”
Warming sensation Often Mentioned
- “feels like it's working”
- “soothing heat”
- “nice warming feeling”
- “spa-like sensation”
Fine line reduction Sometimes Noted
- “plumped my smile lines”
- “softened forehead wrinkles”
- “helped with crows feet”
- “lines look less deep”
Greasy residue Sometimes Noted
- “didn't absorb well”
- “felt like a greasy film”
- “too oily for day use”
- “shiny layer left behind”
Pills under makeup Sometimes Noted
- “rolled off my face”
- “pills under sunscreen”
- “can't wear under makeup”
- “balls up if rubbed”
Causes breakouts Rarely Noted
- “caused tiny whiteheads”
- “terrible cystic breakout”
- “clogged my pores”
- “gave me blackheads”
Unpleasant scent Rarely Noted
- “smells like hot dog water”
- “metallic scent”
- “weird citrus odor”
- “strong chemical smell”
Sources: lovi.care, bloomingdales.com, spacenk.com, sephora.sg, kiehls.com, ulta.com, and more
Questions and answers
How well does Kiehl's Powerful-Strength Line-Reducing Concentrate work for dry skin?
Kiehl's Powerful-Strength Line-Reducing Concentrate works moderately well for dry skin, as glycerin and hyaluronic acid provide essential hydration while vitamin C and adenosine help smooth wrinkles. However, it lacks enough rich, softening ingredients for optimal results, which dry skin needs alongside strong hydrators, barrier-supporting lipids like ceramides, and soothing plant extracts.
Which ingredients make this serum a good fit for dry skin?
Glycerin, Sodium Hyaluronate, and Hydrolyzed Hyaluronic Acid make this serum a good fit for dry skin by providing essential hydration. To work best for dry skin, this type of product also needs rich softening ingredients, ceramides, and barrier-supporting components like niacinamide or peptides.
What does Vitamin C do for dry skin?
Vitamin C helps dry skin by boosting moisture and keeping the surface smooth and soft. It may also improve skin hydration and support the outer protective barrier over time.
Skin Research and Technology, 2008Experimental Dermatology, 2008
What does Hyaluronic Acid do for dry skin?
Hyaluronic acid draws moisture into dry skin, giving an immediate and lasting boost in hydration that helps smooth out fine lines and soften rough patches. It is very gentle and unlikely to cause irritation while improving overall skin smoothness and plumpness.
Dermatology and Therapy, 2021Journal of Drugs in Dermatology, 2011
Where does it go in a skincare routine for dry skin?
This treatment goes in your evening routine, after cleansing and before your moisturizer. It is unlikely to irritate dry skin, but dry skin of this type needs rich, nourishing hydrators and extra softening ingredients for optimal results.
Can I use this serum with retinol, and in what order?
You can use this serum with retinol by applying this vitamin C treatment in the morning and your retinol at night, or by alternating nights if your skin is sensitive. This helps manage lines while keeping your skin calm, though dry skin also needs rich, buttery moisturizing ingredients to stay truly soft and smooth.
How often should I use it?
Apply this treatment in your evening routine. Dry skin needs a product of this type to include rich nourishing oils and butters for optimal hydration alongside these active ingredients.
Can it clog pores, cause breakouts or purging for dry skin?
It is unlikely to cause breakouts for dry skin, as the product has an excellent safety profile with no harsh ingredients that typically trigger irritation or pore clogging.
Is this serum fragrance-free and alcohol-free?
It has no drying alcohol and contains fragrance (limonene and citral).
What the research says
A single application of a moisturizing fluid containing hyaluronic acid 1%, glycerin 5%, and Centella asiatica stem cells extract significantly increased skin hydration by 29% and reduced transepidermal water loss at 24 hours compared to baseline and an untreated control site in twenty healthy women.
Clinical, Cosmetic and Investigational Dermatology, 2017A topical serum containing vitamin C, vitamin E, and raspberry leaf cell culture extract improved skin color, elasticity, radiance, smoothness, scaliness, and wrinkles compared to the untreated contralateral side in fifty female volunteers.
Journal of Cosmetic Dermatology, 2020Adenosine-loaded dissolving microneedle patches showed similar or better efficacy on skin wrinkles, dermal density, elasticity, and hydration compared to adenosine cream in 22 female subjects.
International Journal of Cosmetic Science, 2018Profhilo gel combined with Dysport Botox significantly improved skin hydration, skin thickness, and GAIS scores compared to Dysport Botox injection alone in 19 participants seeking neck rejuvenation.
Dermatologic Therapy, 2022Topical application of 5% vitamin C cream significantly improved global clinical scores, increased skin microrelief density, and induced elastic tissue repair in photoaged skin compared to excipient control in healthy female volunteers.
Experimental Dermatology, 2003Ascorbic acid 2-glucoside gel significantly reduced gingival melanin pigmentation after 4 weeks compared to placebo in 73 subjects with symmetric pigmentation.
Journal of Periodontology, 2009Topical application of VC-IP cream twice daily for 8 weeks reduces periorbital wrinkles in female subjects compared to a placebo cream.
Journal of Cosmetic Dermatology, 2022Topical application of 0.1% hyaluronic acid formulations of different molecular weights led to significant improvements in skin hydration and elasticity, with low-molecular-weight formulations also significantly reducing wrinkle depth in seventy-six female subjects compared to a vehicle control.
Journal of Drugs in Dermatology, 2011Topical application of hyaluronic acid in conjunction with free gingival graft significantly reduced donor site postoperative pain until day 7 compared to normal saline, with no significant differences in graft dimensions or patient satisfaction.
Clinical Oral Investigations, 2022Treatment with a hyaluronic acid-containing mouth rinse or topical gel led to significant lesion reduction, pain relief, and normalization of lesion color in adult patients with minor recurrent aphthous stomatitis, with the gel formulation showing an earlier healing onset at 3 days.
BMC Oral Health, 2019The emollient V0034CR significantly reduced TEWL compared to vehicle and vehicle plus glycerol, and significantly increased corneometry scores compared to vehicle and vehicle plus petrolatum in healthy volunteers with dry skin, demonstrating combined barrier function improvement from petrolatum and hydration improvement from glycerol.
Journal of Cosmetic Dermatology, 2020Ten days of treatment with a cream containing 20% glycerin significantly increased skin hydration measured by corneometer values in 17 healthy volunteers compared to a placebo cream, but showed no influence on transepidermal water loss or skin sensitivity to an irritating surfactant.
International Journal of Cosmetic Science, 2001Niacinamide/glycerin body moisturizers provided better rapid and prolonged improvement of cosmetic xerosis through functional improvement of stratum corneum barrier function compared to no treatment and conventional moisturizers in female subjects.
Journal of Drugs in Dermatology, 2012Topical adenosine treatment significantly increased the anagen hair growth rate and thick hair rate compared to placebo in Japanese women with female pattern hair loss over 12 months.
The Journal of Dermatology, 2008Topical application of a disodium adenosine monophosphate-based formulation reduced wrinkles and hyperpigmentation while improving hydration, barrier function, skin lifting, and epidermal turnover in female participants.
International Journal of Molecular Sciences, 2026Adenosine and cordycepin stimulate the Wnt/beta-catenin signaling pathway through adenosine receptor and PKA activation, promoting cell proliferation, migration, and growth factor secretion in cultured dermal fibroblasts.
International Journal of Molecular Sciences, 2021
Why other serums fit dry skin better
Treatment with cross-linked hyaluronic acid-based microneedle patches combined with acetyl hexapeptide-8 or epidermal growth factor significantly improved wrinkles and skin hydration compared to the patch alone in Korean females over 29 days.
Annals of Dermatology, 2019
Ingredients
Propylene Glycol, Dimethicone, Glycerin, Ascorbic Acid, Ethylhexyl Palmitate, Cetyl Peg Ppg-10 1 Dimethicone, Dimethicone Crosspolymer, Ascorbyl Glucoside, Cyclohexasiloxane, Hydroxyethylpiperazine Ethane Sulfonic Acid, Lauroyl Lysine, Acrylonitrile Methyl Methacrylate Vinylidene Chloride Copolymer, Polysilicone-11, Adenosine, Hydrolyzed Hyaluronic Acid, Limonene, Isobutane, Citrus Aurantium Dulcis Peel Oil, Citrus Limon Lemon Peel Oil, Citral, Pentaerythrityl Tetra-Di-T-Butyl Hydroxyhydrocinnamate
Behind this fit score
Lovi calculates every fit score from the full ingredient list with brand-independent rules our dermatologists and cosmetic chemists build and review, and personalizes every pick with AI trained on the real results of millions of users. Lovi trains its fit score models on a proprietary dataset built from more than 10,000 expert-labeled products and more than 100,000 simulated examples, following an internally consistent methodology presented at Cosmoprof, AMWC, and Skin of Color Update.
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Co-founder, Medical Director
Cosmetic chemist, cosmetologist, aesthetic products developer
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Co-founder, CEO and CTO
PhD in computer science, 3x US patent holder, ex-Google, ex-Yandex
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Dr. Sofía Perea Pérez, MD, MSc
Medical Board
Aesthetic medicine practitioner, MSc in Longevity and Anti-Aging Medicine
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Medical Board
Specialist dermatologist, MBBS, MD, IFAAD
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Medical Board
Cosmetic chemist, SCS, IFSCC member
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Medical Board, Medical Advisor
Dermatology MD
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Elina Nazarenko, MD
Medical Board
Dermatology and diagnostic consultant
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Victoria Derkova, MS
Medical Board
Cosmetic chemist, cosmetic development technologist
How does it fit your skin?
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