COSRX The Retinol 0.5 Oil
Ingredients and claims, checked
Last checked September 19, 2026
Mid-range for face oils
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What is it like at a glance?
What the ingredients do
Moisture seal leads, with 5 of 10 ingredients.
By skin type
- DryGood fit
- SensitiveUse with care
Piboo’s rating from user reports.
Worth knowing
- Pregnancy: check first
- On pore-clogging lists
Made for
What is this product?
- What to expect
- It's made for firmer skin and less visible pores.
- Key ingredients
- Retinol 0.5%, Squalane, Tocopherol
- When
- Evening
A face oil made with retinol. It sinks in easily. It comes in a 20 ml size.
Who is it for?
Less suited to
- People who are pregnant or planning to be
- Sensitive skin
- Skin prone to fungal acne
What's good, and what to watch for?
Good points
- Contains Retinol 0.5%
Watch-outs
- Pregnancy: check first (Retinol)
- If you clog easily: Glycine Soja (Soybean) Oil, Elaeis Guineensis (Palm) Oil
What is in it?
The full ingredient list as the brand publishes it, in the printed order. Tap a name to read about that ingredient.
This brand publishes its ingredient list in Korean only. Names below are the matching INCI names from the Korean Cosmetic Association ingredient dictionary, except 2 with no dictionary entry, left in Korean.
Key ingredientWorth a closer look
- Squalane
- Glycine Soja (Soybean) Oil
- 다이-C12-13알킬말레이트
- Retinol
- Caprylic/Capric Triglyceride
- BHT
- Tocotrienols
- Tocopherol
- Elaeis Guineensis (Palm) Oil
- 하이드록시메톡시페닐데칸온
Ingredients with no mark are ones we found nothing notable about, and when marks overlap on one ingredient we show the caution first.
What the claims add up to
- Only partly backed:
- firmer skin · less visible pores (amount unknown) · better hydration (amount unknown)
- Don't count on:
- softer-looking fine lines · calmer skin · clearer-looking skin
See each claim, checked (53)
Claims, checked
Powerful skin slow-aging effect in a single drop
plausible, not testedLightly absorbs for a shimmering silky oil formula
plausible, not tested+ Firmness & Smooth + Improve radiance
plausible, not testedRetinol #PoreCare Normalizes slowed cell turnover and makes skin smooth!
plausible, not testedAn oil formula with a light feel
plausible, not testedA watery formula that spreads instantly on contact for a dewy feel!
plausible, not testedFast absorption and a light finish make next-step care easy.
plausible, not testedPerfect-match synergistic ingredients deliver smooth glow and hydration
plausible, not testedSuper Vitamin E + Squalane
partly backedSkin aging index improvement, pore improvement
partly backedLifting care
partly backedInner elasticity and outer elasticity care
partly backedBegin a different level of slow-aging with pure retinol 0.5%
partly backedRetinol for the experienced that delivers pure retinol 0.5% special slow-aging effect
partly backedSqualane #MoistureCare Protects the skin from external irritants / harmful ingredients / moisturizes
partly backedHigh-concentration formulation of pure retinol 0.5%, more effective than retinol derivatives
partly backedImprovement effect of *skin aging index by 4% confirmed through human application test
partly backedEye area skin angle 12.2%
partly backedCheek area skin angle 10.3%
partly backedMouth corner skin angle 13.7%
partly backedJawline skin angle 13.5%
partly backedMore compact and dense, smooth and firm, texture & elasticity care
partly backedSoft to the touch, *surface elasticity +16% increase
partly backedFirming from within, *inner elasticity +13% increase
partly backed#HighStrengthRetinol Special Slow-Aging (Night Intensive)
partly backedPure retinol 0.5%, Super Vitamin E, plant-derived squalane
partly backedThe Slow-Aging secret of Cosrx Retinol that thoroughly cares for sagging / elasticity / pores
overstatedClinically proven skin aging index improvement effect
overstatedThe Slow-Aging secret of Cosrx Retinol that thoroughly cares for sagging / elasticity / pores, the main culprits of skin aging
overstatedThe daily anti-aging oil that the reviews speak for
overstatedSatisfaction with skin changes over approximately 4 weeks, experienced by 100% of consumers without exaggeration
overstated100% felt that fine lines across the face were reduced
overstated100% felt their skin became elastic and lifted
overstated100% felt their skin texture became smooth, moist, and softer
overstated1st place Beauty AWARDS 2022 Wrinkle Functional - Cream
no supporting source found2位 K-COSME AWARDS 2023 乳液クリーム Qoo10
no supporting source foundBEST OF Forbes VETTED 2024
no supporting source foundWrinkle improvement functional product
no supporting source foundRefreshing retinol oil that relieves burden
no supporting source foundOne-step synergy care that completes radiance, hydration, and elasticity
no supporting source foundTeukoteurienol #ElasticityCare Synergy with retinol for an elasticity-enhancing effect
no supporting source foundNo.1 on Hwahae just 3 months after launch!
no supporting source found1st place Beauty AWARDS Best New Product 2022 H2 Face Oil category
no supporting source foundIn just 2 weeks! Improves large, enlarged pores
no supporting source foundSoothes skin troubles and marks at once for smooth, clean skin care
no supporting source foundRefreshingly erases *the 4 major trouble concerns
no supporting source foundPore volume -21.95%
no supporting source foundPore area -20.91%
no supporting source foundPore count -29.48%
no supporting source foundPore depth -33.34%
no supporting source foundCompleted 2 skin irritation tests; safe for sensitive skin
no supporting source foundSkin primary irritation test completed
no supporting source foundPrimary irritation test completed for sensitive skin
no supporting source found
We quote each claim exactly as the brand published it, then check it against the ingredient list and the brand's own documents.
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