COSRX The Niacinamide 15 Serum vs Cos De BAHA Niacinamide 20% 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.

COSRX The Niacinamide 15 Serum
COSRXThe Niacinamide 15 SerumFull breakdown →
C
Cos De BAHANiacinamide 20% SerumFull breakdown →
COSRX The Niacinamide 15 SerumCos De BAHA Niacinamide 20% Serum
StepSerumSerum
Price$23$15
Best landed cost$23$15
Rating★ 4.4 (2,900)★ 4.3 (3,100)
Evidence gradeBB
Korea signal#18 serum · Olive Young Korea (seed)#48 serum · Olive Young Korea (seed)
Hero ingredientsNiacinamide, Zinc PCANiacinamide, Zinc PCA
Best forDark spots (PIH), Pores & OilPores & Oil, Dark spots (PIH)
Skin typesOily, Combination, NormalOily, Combination, Normal
Texturelightlight
Tone noteAll tonesAll tones
Fragrance-free
Fungal-acne safe
US stock
Our read: Evidence grades are equal (B) — so let fit decide: check the skin-type rows above, and if both fit, Cos De BAHA Niacinamide 20% Serum is the cheaper landed cost over COSRX The Niacinamide 15 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.