Cos De BAHA Arbutin+Niacinamide Serum vs COSRX Alpha-Arbutin 2 Discoloration Care Serum

Same shelf, different answers — here's the whole picture in one table. Click either product for full ingredient decode, skin-twin reviews and every retailer's landed cost.

Cos De BAHA Arbutin+Niacinamide Serum
Cos De BAHAArbutin+Niacinamide SerumFull breakdown →
COSRX Alpha-Arbutin 2 Discoloration Care Serum
COSRXAlpha-Arbutin 2 Discoloration Care SerumFull breakdown →
Cos De BAHA Arbutin+Niacinamide SerumCOSRX Alpha-Arbutin 2 Discoloration Care Serum
StepSerumSerum
Price$18$25
Best landed cost$26.70$30.99
Rating★ 5 (6)★ 4.4 (650)
Evidence gradeBB
Korea signal
Hero ingredientsAlpha-arbutin, NiacinamideAlpha-arbutin, Tranexamic acid, Niacinamide
Best forDark spots (PIH), DullnessDark spots (PIH), Dullness
Skin typesOily, Dry, Combination, NormalOily, Dry, Combination, Normal
Texturelightlight
Tone noteAll tonesAll tones
Fragrance-free
Fungal-acne safe
US stock✗ import only
Our read: Evidence grades are equal (B) — so let fit decide: check the skin-type rows above, and if both fit, Cos De BAHA Arbutin+Niacinamide Serum is the cheaper landed cost over COSRX Alpha-Arbutin 2 Discoloration Care Serum.

Prices and rankings are seed data pending weekly verification. Take the 60-second quiz and both products get a personal match score on their pages.