Medicube Triple Collagen Serum 4.0 vs COSRX The 6 Peptide Skin Booster 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.
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Medicube — Triple Collagen Serum 4.0Full breakdown →
COSRX — The 6 Peptide Skin Booster SerumFull breakdown →
| Medicube Triple Collagen Serum 4.0 | COSRX The 6 Peptide Skin Booster Serum | |
|---|---|---|
| Step | Serum | Serum |
| Price | $28 | $25 |
| Best landed cost | $28 | $25 |
| Rating | ★ 4.4 (3,900) | ★ 4.5 (3,800) |
| Evidence grade | B | B |
| Korea signal | #6 serum · Olive Young Korea (seed) | #10 serum · Olive Young Korea (seed) |
| Hero ingredients | Hydrolyzed collagen, Peptides, Niacinamide | Peptides, Niacinamide |
| Best for | Aging, Dehydration | Aging, Dullness |
| Skin types | Dry, Normal, Combination | Dry, Normal, Combination, Oily |
| 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, COSRX The 6 Peptide Skin Booster Serum is the cheaper landed cost over Medicube Triple Collagen Serum 4.0.
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.