Cos De BAHA Azelaic Acid 10% Serum vs Beauty of Joseon Glow Serum: Propolis + Niacinamide
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 — Azelaic Acid 10% SerumFull breakdown →

Beauty of Joseon — Glow Serum: Propolis + NiacinamideFull breakdown →
| Cos De BAHA Azelaic Acid 10% Serum | Beauty of Joseon Glow Serum: Propolis + Niacinamide | |
|---|---|---|
| Step | Serum | Serum |
| Price | $16 | $17 |
| Best landed cost | $16 | $17 |
| Rating | ★ 4.3 (2,400) | ★ 4.6 (3,980) |
| Evidence grade | B | B |
| Korea signal | #49 serum · Olive Young Korea (seed) | #6 serum · Olive Young Korea |
| Hero ingredients | Azelaic acid, Niacinamide | Propolis 60%, Niacinamide 2% |
| Best for | Redness / Rosacea-prone, Acne, Dark spots (PIH) | Dullness, Acne, Dehydration |
| Skin types | Sensitive, Oily, Combination, Normal | Oily, Combination, Normal, Dry |
| Texture | light | light |
| Tone note | All tones | All 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 Azelaic Acid 10% Serum has the lower landed cost than Beauty of Joseon Glow Serum: Propolis + Niacinamide.
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.