COSRX The Retinol 0.5 Oil with Super Vitamin E + Squalane
By Nur → Last verified 11/3/2026
Price checked 11/3/2026
Verified 2026-11-03 on YesStyle: $19.31. Prices change often, so confirm on the retailer's page.
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What we found
Based on how this product compares to others in the serums category, cross-referenced against retailer listings and market data.
Strengths
- + Retinol 0.5% printed in the INCI, in an anhydrous squalane oil
- + Only 9 ingredients, with tocotrienols and tocopherol (Super Vitamin E)
- + Real titration guidance: start 2–3 times a week at night and build up
- + Fragrance-free, no essential oils, no alcohol
Worth knowing
- - Not a first retinoid — 0.5% retinol is a real irritant load
- - Oil format, applied at the moisturizer step — not for oil-averse users
- - Contains BHT
- - Retailer guidance advises refrigerated storage to slow oxidation
Key ingredients
These are the ingredients COSRX highlights for this product, cross-checked against general dermatological and cosmetic-chemistry sources, not a full INCI list.
Fragrance: confirmed fragrance-free.
| Ingredient | What it is | What it does for skin |
|---|---|---|
| Retinol 0.5% | A specific active or extract in this formula. | Not yet independently verified against general dermatology sources. |
| Squalane | A stable, skin-identical oil, usually plant-derived (from olives or sugarcane) in modern formulas. | An emollient that softens skin and helps prevent moisture loss without feeling heavy or greasy. |
| Tocotrienols | A specific active or extract in this formula. | Not yet independently verified against general dermatology sources. |
| Tocopherol | The chemical name for vitamin E as typically used in skincare formulas. | Helps neutralize free radicals from UV and pollution exposure and supports the skin's moisture barrier. |
What the brand says
COSRX's own marketing claims, not our own findings.
- Retinol 0.5% printed in the INCI, in an anhydrous squalane oil
- 9-ingredient formula with tocotrienols and tocopherol (Super Vitamin E)
- Titration guidance: start 2-3 times a week at night and build up gradually
Research-Based
Our assessment comes from pricing, ingredients, and published information, not personal use, the same standard we apply across the site. This product hasn't been hands-on tested yet. See our Methodology for what that distinction means.
Price history
Current price is the lowest we've recorded so far.
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Frequently asked
How much does COSRX The Retinol 0.5 Oil with Super Vitamin E + Squalane cost per mL?
$0.97 per mL (currently $19.31 for 20 mL).
Has COSRX The Retinol 0.5 Oil with Super Vitamin E + Squalane been hands-on tested?
Not yet. Our assessment for this product comes from pricing, ingredients, and published information, not personal use, the same standard we apply across the site. See our Methodology for what that distinction means.
What are the key ingredients in COSRX The Retinol 0.5 Oil with Super Vitamin E + Squalane?
The ingredients COSRX highlights for this product include Retinol 0.5%, Squalane, Tocotrienols, Tocopherol.