Cosrx· Compare Prices & Buy Authentic
Cosrx — prices compared across authentic K-Beauty retailers. We rank offers by real landed cost, and only surface authenticity-checked sellers.
Prices checked
Where can I buy authentic Cosrx?
You can buy authentic Cosrx from Amazon, BuyBeautyKorea, DodoSkin, Koreabe, Official Brand Stores, Olive Young US, Soko Glam, StyleKorean, Stylevana, Ulta Beauty, and YesStyle — the authorized, authenticity-checked sellers we currently track for this brand. We verify every seller before listing and rank by real landed value, never pay-to-rank. The current lowest tracked landed price is Advanced Snail Peptide Eye Cream at DodoSkin — $18.02 (checked Aug 24, 2026).
Best value from Cosrx
Not on Olive Young US
Brand items we couldn't find on Olive Young US — here's where to buy them.
All Cosrx items
155 products
COSRX
Advanced Snail Radiance Dual Essence
from $21.00$24.66 · $0.26/ml
6 retailers
COSRX
Poreless Clarifying Charcoal Mask Pink
from $17.10$18.05 · $0.16/g
2 retailers
COSRX
Hydrium Moisture Power Enriched Cream
from $19.59$21.46 · $0.39/ml
3 retailers
COSRX
Vitamin E Vitalizing Sunscreen SPF50+
from $20.61$21.83 · $0.41/ml
4 retailers
COSRX
Refresh Aha Bha Vitamin C Lip Plumper
from $13.30$15.70 · $0.67/g
2 retailers
COSRX
Refresh AHA BHA Vitamin C Daily Cream
from $17.08$17.77 · $0.34/ml
2 retailers
![COSRX Master Patch Intensive [36ea]](https://cdn.shopify.com/s/files/1/0513/3775/6828/files/master-patch-intensive-36ea-cosrx-official-1.jpg?v=1724836510)
![COSRX Master Patch Basic [36ea]](https://cdn.shopify.com/s/files/1/0513/3775/6828/files/master-patch-basic-36ea-cosrx-official-1.jpg?v=1724836449)
COSRX
Brightening Boost
$40.00 · $0.27/ml
Authentic · sourced via Official Brand Stores
Frequently asked
- Where can I buy authentic COSRX?
- Authorized, authenticity-checked sellers we currently track for COSRX: Amazon, BuyBeautyKorea, DodoSkin, Koreabe, Official Brand Stores, Olive Young US, Soko Glam, StyleKorean, Stylevana, Ulta Beauty, and YesStyle. We verify every seller before listing and never take payment to rank.
- Is COSRX on Amazon authentic?
- Only when the listing is sold by the brand or a seller the brand authorizes. Unknown third-party marketplace sellers are the counterfeit risk — check who ships the item, not just the platform, and be suspicious of prices well below every other authorized seller.
- What's the cheapest place to buy COSRX right now?
- The lowest tracked COSRX landed price is Advanced Snail Peptide Eye Cream at DodoSkin — $18.02 (as of Aug 24, 2026). We rank by real landed value across authorized sellers, never pay-to-rank.
- Where is COSRX cheapest right now?
- Advanced Snail Peptide Eye Cream at DodoSkin — $18.02 (as of Aug 24, 2026). Ranked by real value across authorized sellers.
- Are COSRX products authentic on The K-Beauty Plug?
- We only surface COSRX from authenticity-checked retailers — official brand stores, K-Beauty specialists, and pharmacies. Marketplace resellers are filtered out.
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