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Best price right now
$18.90
$0.94 per ml
Checked today
at YesStyle
Save $8.10 vs. the priciest authentic seller.
Also available at
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Prices last checked today · across 5 retailers
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Price history
What this serum has actually cost
We check every authenticated seller daily; each point is the lowest landed price we found that day.
The current lowest authorized landed price for COSRX The Retinol 0 5 Oil is $18.90 at YesStyle — checked Aug 19, 2026. We rank by real landed cost across authenticity-checked sellers, never pay-to-rank.
Skin compatibility
Will this suit your skin?
We run the ingredient list we hold against three curated reference lists. Skin is personal — these are notes to help you decide, not rules. Pregnancy questions belong with your doctor, and if we don't have a full ingredient list we say so instead of guessing.
Transparency
What's actually in it
Key active
Retinol
0.5%
anti-aging, wrinkle reduction
Key active
Squalane
listed
emollient, barrier support
Key active
Tocopherol
listed
antioxidant protection
Concentrations as stated by the brand — we never estimate them from the INCI order.
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Answers