Amazon is the cleanest US channel at $20 with Prime shipping. YesStyle and Stylevana run cheaper at $15-17 but ship from Korea (10-14 days). Sephora carries it intermittently at $22-25.
Quick facts
- Current price: $20 (Amazon, Prime-eligible)
- Ships from Amazon, 2-day Prime delivery
- Return policy: 30 days for unopened bottles
- SPF 50, lightweight, no white cast
- Bottle size: 50ml - lasts 6-8 weeks for daily face use
- Skip if: you need water-resistant SPF for swimming or sweating
- Patch-test before face use if you have sensitive skin (chemical filters)
Buy on Amazon if you want it this week. Buy from YesStyle/Stylevana only if you can wait 10-14 days and want to save $3-5. Authenticity is verified on all three - COSRX cracks down on counterfeits at major retailers.
Amazon stock is stable year-round. YesStyle bundles often pair this sunscreen with the COSRX Snail Mucin essence at a 15% bundle discount - worth it if you were buying both anyway. Bottles ship sealed; if yours arrives with a broken seal, return immediately.
FAQ
Is Amazon Korean beauty inventory ever counterfeit?
Rare for COSRX - they sell through Amazon's authorized channel. The bigger counterfeit risk is third-party Amazon sellers on lesser-known K-beauty brands, not COSRX.
How long does a bottle last?
Roughly 6-8 weeks with proper daily face-sized dosing (about a nickel-sized amount). Twice-daily reapplication takes you to 3-4 weeks.
Should I buy multiple bottles at once?
Only if you'll use them within a year of opening - SPF efficacy degrades over time once opened. Single-bottle purchases are usually the right call.
Are there cheaper US-shipped sources?
Sephora carries it occasionally at $22-25 (more expensive). Stylevana ships from Korea for $15-17 with longer wait. Amazon $20 hits the sweet spot of price + speed.