COSRX The Retinol 0.5 for combination skin
Retinol
Squalane
Vitamin E
Glycine Soja Oil Soybean Oil
Di-C12-13 Alkyl MalateAverage
- HighCombination Skin Fit
- AverageEffectiveness
- HighSafety
Works for combination skin; other serums fit it better.
This fit is calculated for the concerns frequently associated with combination skin: an oily T-zone, enlarged pores, and dry cheeks. 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 treatment for minimizing fine lines and wrinkles due to the presence of retinol, which promotes skin renewal and desquamation regulation for your combination skin.
- While Squalane and Tocopherol provide general skincare benefits like hydration and antioxidant activity, they are irrelevant for your oily shine concern.
- The formula is safe for your combination skin due to the absence of prohibited or harsh ingredients.
How to apply
- Use your serum as part of your PM routine. Start using it 3 times a week and move to daily use if your skin likes it.
- Apply the serum after cleansing and toner, and right before your moisturizer.
- Gently press 2-3 drops of the serum into your skin and wait a minute ⏳for it to soak in.
- Apply the serum on clean and dry skin since your skin is not sensitive.
- Always do a patch test before using the serum for the first time, and avoid the eye area .
People Say
★4.5Overall rating based on 1.0k+ reviewsBased on a very large amount of data, users with dry, mature, or sensitive skin highly praise this oil for its gentle yet effective formula, noting significant improvements in skin texture, radiance, and fine lines without irritation. The rich oil base can be too heavy for oily or acne-prone skin types, leading to congestion, and many users find the short three-month shelf life after opening to be a major inconvenience.
Highlights
Deeply moisturizing Often Mentioned
- “feels nourishing”
- “oil base loves dry skin”
- “satin finish”
- “hydrating squalane”
Gentle & non-irritating Often Mentioned
- “gentle enough”
- “no irritation”
- “good for sensitive skin”
- “no stinging”
Short shelf life Often Mentioned
- “use within 3 months”
- “oxidizes quickly”
- “limiting timeframe”
- “refrigeration required”
Effective on fine lines Sometimes Noted
- “softens fine lines”
- “forehead lines less noticeable”
- “plumper skin”
- “anti-aging results”
Improves texture & glow Sometimes Noted
- “smooth skin texture”
- “radiant glow”
- “glass skin”
- “softens roughness”
Heavy for oily skin Sometimes Noted
- “too oily”
- “clogged pores”
- “caused breakouts”
- “greasy residue”
Packaging issues Rarely Noted
- “messy bottle”
- “leaking dropper”
- “hard to control drops”
- “oil spills”
Unpleasant scent Rarely Noted
- “fishy smell”
- “earthy scent”
- “oil smell”
- “weird odor”
Sources: lovi.care, iherb.com, ulta.com, yesstyle.com, amazon.com, reddit.com, and more
Questions and answers
How well does COSRX The Retinol 0.5 work for combination skin?
This treatment is an average fit for combination skin because it helps smooth fine lines, though its oils do not help with oily shine. An ideal product for this skin needs ingredients like niacinamide, zinc PCA, or propolis to balance moisture and manage oil without causing irritation.
Which ingredients make this treatment a good fit for combination skin?
Retinol makes this treatment a fit for your combination skin by promoting skin renewal to help smooth out fine lines. Squalane and vitamin E also provide general hydration and antioxidant benefits, though a treatment for this skin needs ingredients like niacinamide and zinc PCA to help manage oily shine without causing irritation.
What does Retinol do for combination skin?
Retinol helps smooth fine lines, even out skin tone, and improve firmness in combination skin. It works by encouraging faster skin renewal and boosting collagen, though it may occasionally cause mild dryness or scaling while your skin adjusts.
What does Squalane do for combination skin?
Squalane helps keep combination skin soft and smooth by locking in moisture without feeling heavy or greasy. It supports the skin barrier and provides lightweight hydration that works well for both dry and oily areas.
Skin Health and Disease, 2024Journal of Nanobiotechnology, 2025
Where does this treatment go in a skincare routine for combination skin?
This treatment goes in the evening routine after cleansing and before moisturizing, though other products fit your combination skin better. Combination skin with oily shine needs lightweight hydrating ingredients and oil-balancing agents that target shine while providing moderate renewal.
Can I use this treatment with vitamin C, and in what order?
You can use this treatment with vitamin C by applying vitamin C in your morning routine and this treatment at night, as using them at the same time may cause too much irritation. To get better results for your combination skin without extra oiliness, a product of this type needs lightweight hydrators and antioxidants that balance oil.
How often should I use this treatment?
You should use this treatment in the evening as part of your routine. Combination skin needs products with retinol for skin renewal, along with soothing ingredients like squalane and vitamin E to help keep skin balanced.
Can this treatment clog pores, cause breakouts or purging for combination skin?
This treatment is unlikely to clog pores for combination skin because it avoids harsh ingredients, but retinol may cause temporary breakouts or purging as it speeds up skin renewal. A product for this skin works best when it balances oil control with lightweight hydration and gentle renewal without feeling heavy.
Is this treatment fragrance-free and alcohol-free?
Yes, it has no fragrance and no drying alcohol.
What the research says
Topical 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, 2019Topical 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, 2017Silicone 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, 2017Squalane at 0.005-0.015% counteracts UVA-induced oxidative stress, inflammation, and collagen metabolism inhibition while stimulating fibroblast migration in human dermal fibroblasts.
Molecules, 2025Plant-derived squalane protected human dermal fibroblasts against UVA-induced damage by counteracting ROS formation, suppressing apoptosis-related proteins p53, caspase-3, caspase-9, and PARP, and restoring the pro-survival p-Akt/mTOR pathway.
Antioxidants, 2025Topical application of an antioxidant serum containing 15% ascorbic acid, 0.5% ferulic acid, and 1% tocopherol prevented particulate matter-induced degradation of extracellular matrix components, inflammation, and oxidative stress in the skin of 15 female volunteers compared to untreated controls.
Journal of Cosmetic Dermatology, 2025Dermatological products containing d-alpha tocopheryl acetate showed non-comedogenic potential with less than a 50% increase in microcomedones in 12 healthy male subjects compared to octyl palmitate.
Contemporary Clinical Trials Communications, 2021Topical application of an antioxidant mix containing 15% ascorbic acid, 0.5% ferulic acid, and 1% tocopherol prevented PM and UV-induced skin barrier perturbation, lipid peroxidation, inflammatory markers, MMP9 activation, and Type I collagen loss in 15 healthy females compared to untreated exposed skin.
Journal of Cosmetic Dermatology, 2024
Why other serums fit combination skin better
Niacinamide and ferulic acid incorporated in a stable multiple emulsion successfully reduced melanin, sebum, and skin erythema while improving skin elasticity and hydration in human skin compared to a placebo.
BioMed Research International, 2022A panthenol-enriched mask improved skin hydration, regulated sebum, and reduced redness and TEWL across dry sensitive, oily sensitive, and oily acne skin subgroups with excellent tolerance and no adverse reactions.
Journal of Cosmetic Dermatology, 2024
Ingredients
Squalane, Glycine Soja Oil Soybean Oil, Di-C12-13 Alkyl Malate, Retinol, Caprylic Capric Triglyceride, Bht, Tocotrienols, Tocopherol, Palm Oil, Hydroxymethoxyphenyl Decanone
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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