Kiehl's Retinol Skin-Renewing Daily Micro-Dose Serum for oily skin
Retinol
Peptides
Ceramides
Niacinamide
Sodium Hyaluronate
Average
- AverageOily Skin Fit
- AverageEffectiveness
- HighSafety
Works for oily skin; other serums fit it better.
- International Journal of Cosmetic Science, 2017
- Clinical, Cosmetic and Investigational Dermatology, 2017
This fit is calculated for the concerns frequently associated with oily skin: shine, enlarged pores, blackheads, and blemishes. 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 oily skin as niacinamide provides seboregulation and mild anti-inflammatory action, while retinol and niacinamide in moderate concentrations promote skin renewal for smoothing texture and minimizing fine lines.
- Glycerin and sodium hyaluronate offer hydration, which is a general skincare benefit but not directly targeted for your oily shine.
- The product is safe for your oily skin with no risks of irritation due to the absence of prohibited or harsh ingredients.
How to apply
- Use this serum in your PM routine. Start by applying it 3 times a week and build up to daily use if your skin tolerates it well.
- Apply the serum after cleansing and toning, but right before your moisturizer for the best results.
- Gently press 2-3 drops of the serum into your skin. Let it absorb ⏱ for a minute before applying the next product.
- Apply the serum on clean and dry skin since your skin is not sensitive and you want to target oily shine. This helps control excess oil throughout the night.
- Avoid the delicate eye area and do a patch test before using the serum for the very first time.
People Say
★4.6Overall rating based on 1.1k+ reviewsBased on a very large amount of data, this serum is highly recommended as a gentle introduction to retinol, effectively smoothing skin texture and reducing fine lines with minimal irritation for most users. Some users reported breakouts or found the results too subtle for the price.
Highlights
Gentle and non-irritating Mostly Mentioned
- “experienced zero irritation”
- “impressively gentle”
- “no redness or dryness”
- “tolerated really well”
Beginner-friendly formula Often Mentioned
- “perfect for retinol newbies”
- “great for beginners”
- “good starting point”
- “best entry-level retinol”
Improves skin texture Often Mentioned
- “skin feels smoother”
- “texture is refined”
- “pores look minimized”
- “smoother and plump”
Creamy, hydrating consistency Sometimes Noted
- “creamy serum”
- “silky smooth”
- “glides onto skin”
- “feels like a luxe night cream”
High price point Sometimes Noted
- “bit of an investment”
- “expensive for the results”
- “underwhelmed for the price”
Slow or subtle results Sometimes Noted
- “results were subtle”
- “did not see difference”
- “took months to appear”
- “might feel underwhelmed”
Breakouts and acne Rarely Noted
- “dealing with cystic acne”
- “deep and painful”
- “caused a major skin flare up”
- “uneven skin started coming out”
Unpleasant scent Rarely Noted
- “smells clinical”
- “put-off by the smell”
- “potent, almost medical smell”
Sources: lovi.care, sephora.sg, sayso.com.au, cultbeauty.co.uk, ulta.com, hometesterclub.com, and more
Questions and answers
How well does Kiehl's Micro-Dose Retinol Serum work for oily skin?
Which ingredients make this serum a good fit for oily skin?
Niacinamide and retinol make this serum a fit for oily skin by helping control shine and smoothing texture. To fit this skin type best, a product needs effective ingredients like niacinamide and ferulic acid to control extra oil, along with soothing and hydrating ingredients that do not clog pores.
What does Retinol do for oily skin?
Retinol helps oily skin by keeping pores clear and balancing sebum production, which may reduce shine and breakouts. Because it can sometimes cause dryness or peeling in the beginning, starting slowly is recommended.
What do Peptides do for oily skin?
Peptides help support skin health and may improve the look of oily skin, but this type of skin needs formulas with ingredients that balance oil production and keep pores clear.
Advanced Science, 2025International Journal of Molecular Sciences, 2025
Where does this serum go in a skincare routine for oily skin?
This serum goes in the evening routine after cleansing and before moisturizing. Putting treatments in the evening provides simplicity and extra safety around sun exposure for oily skin.
Can I use this serum with vitamin C, and in what order?
You can use this serum with vitamin C by applying vitamin C in the morning and this retinol serum at night. Using them at different times of day helps prevent skin irritation while keeping your routine effective. Oily skin of this type needs balancing ingredients like niacinamide and salicylic acid to manage shine and keep pores clear.
How often should I use this serum?
This serum works for your oily skin, though other products fit it better. To get the best results, oily skin needs a product of this type that balances oil production and clears pores with ingredients like salicylic acid or clay, alongside gentle hydrators.
Can this serum clog pores, cause breakouts or purging for oily skin?
This serum is unlikely to cause breakouts, as reviews report this issue very rarely and the formula contains no harsh or prohibited ingredients. However, because oily skin responds well to targeted oil control and lightweight hydration, a product for this skin needs balancing ingredients like niacinamide and lightweight hydrators to keep pores clear.
Is this serum fragrance-free and alcohol-free?
Yes, it has no fragrance and no drying alcohol. Cetyl alcohol, behenyl alcohol, and cetearyl alcohol are fatty alcohols, which soften the skin.
What the research says
Topical 0.4% retinol significantly increased epidermal thickness, dermal vascularity, and extracellular matrix production by stimulating keratinocyte proliferation, endothelial cell proliferation, and fibroblast activation in naturally aged human skin compared to vehicle.
International Journal of Cosmetic Science, 2017A 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, 2017Topical bakuchiol 0.5% applied twice daily compared with retinol 0.5% applied daily significantly decreased wrinkle surface area and hyperpigmentation with no statistical difference between the compounds in 44 patients over 12 weeks, while retinol users reported more facial skin scaling and stinging.
The British Journal of Dermatology, 2019Silicone particles encapsulating retinol increased its half-life by 9-fold and yielded 12-23% lower skin irritation in human subjects compared to Microsponge particles while maintaining biological activity.
Journal of Controlled Release, 2018Topical stabilized retinol treatment induced HAS gene expression and increased hyaluronic acid production in human skin in vitro, ex vivo, and in vivo compared to vehicle.
Archives of Dermatological Research, 2017Topical post-laser application of human adipocyte-derived mesenchymal stem cell media combined with niacinamide significantly improved wrinkle index, melanin index, patient satisfaction, and investigator esthetic improvement scores compared to vehicle cream in patients with aging skin.
Journal of Cosmetic Dermatology, 2021Topical nicotinamide prevented solar-simulated UV-induced immunosuppression in healthy volunteers, and men experienced immunosuppression at solar-simulated UV doses three times lower than those required for women.
The Journal of Investigative Dermatology, 2008Topical 5% niacinamide applied twice daily for 12 weeks reduced fine lines and wrinkles, hyperpigmented spots, red blotchiness, and skin sallowness, and improved skin elasticity compared to vehicle control in 50 female white subjects with facial photoaging.
Dermatologic Surgery, 2005Topical 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, 2019
Ingredients
Water, Glycerin, Butylene Glycol, Pentylene Glycol, Niacinamide, Cetyl Alcohol, Isohexadecane, Isononyl Isononanoate, Diisopropyl Sebacate, 2-Oleamido-1,3-Octadecanediol, 4-T-Butylcyclohexanol, Acetyl Dipeptide-1 Cetyl Ester, Adenosine, Ceramide Np, Hydroxypalmitoyl Sphinganine, Lauroyl Lysine, Octyldodecanol, Pentaerythrityl Tetra-Di-T-Butyl Hydroxyhydrocinnamate, Sodium Chloride, Sodium Hyaluronate, Sodium Hydroxide, Trisodium Ethylenediamine Disuccinate, Retinol, Tocopherol, Dicaprylyl Ether, Ammonium Polyacryloyldimethyl Taurate, Behenyl Alcohol, Caprylyl Glycol, Carbomer, Cetearyl Alcohol, Cetearyl Glucoside, Glycine Soja Oil, Soybean Oil, Helianthus Annuus Seed Oil, Sunflower Seed Oil, Hydroxyethylcellulose, Lecithin, Phenethyl Alcohol, Poloxamer 188, Polycaprolactone, Sorbitan Laurate, Steareth-100, Ci 40800, Beta-Carotene, Chlorphenesin, Phenoxyethanol
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
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