COSRX BHA Blackhead Power Liquid vs NEOGEN Dermalogy Real Niacinamide 15% 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 BHA Blackhead Power Liquid
COSRXBHA Blackhead Power LiquidFull breakdown →
NEOGEN Dermalogy Real Niacinamide 15% Serum
NEOGENDermalogy Real Niacinamide 15% SerumFull breakdown →
COSRX BHA Blackhead Power LiquidNEOGEN Dermalogy Real Niacinamide 15% Serum
StepSerumSerum
Price$25$38
Best landed cost$25$43.99
Rating★ 4.5 (5,600)★ 4.5 (800)
Evidence gradeAA
Korea signal#9 serum · Olive Young Korea
Hero ingredientsBHA (salicylic), NiacinamideNiacinamide
Best forPores & Oil, Acne, TextureDark spots (PIH), Pores & Oil, Acne
Skin typesOily, Combination, NormalOily, Combination, Normal
Texturelightlight
Tone noteAll tonesAll tones
Fragrance-free
Fungal-acne safe
US stock
Our read: Evidence grades are equal (A) — so let fit decide: check the skin-type rows above, and if both fit, COSRX BHA Blackhead Power Liquid is the cheaper landed cost over NEOGEN Dermalogy Real 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.