COSRX AHA 7 Whitehead Power Liquid vs Medicube PDRN Pink Peptide 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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COSRX — AHA 7 Whitehead Power LiquidFull breakdown →
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Medicube — PDRN Pink Peptide SerumFull breakdown →
| COSRX AHA 7 Whitehead Power Liquid | Medicube PDRN Pink Peptide Serum | |
|---|---|---|
| Step | Serum | Serum |
| Price | $25 | $29 |
| Best landed cost | $25 | $25 |
| Rating | ★ 4.4 (5,100) | ★ 4.5 (1,930) |
| Evidence grade | A | B |
| Korea signal | #23 serum · Olive Young Korea (seed) | #1 serum · Olive Young Korea (4 wks running) |
| Hero ingredients | AHA (glycolic/lactic) | PDRN (salmon DNA), peptide complex |
| Best for | Texture, Dullness | Aging, Dullness, Texture |
| Skin types | Oily, Combination, Normal | Dry, Normal, Combination, Oily |
| Texture | light | light |
| Tone note | All tones | All tones |
| Fragrance-free | ✓ | ✓ |
| Fungal-acne safe | ✓ | ✗ |
| US stock | ✓ | ✓ |
Our read: COSRX AHA 7 Whitehead Power Liquid carries the stronger evidence grade (A); COSRX AHA 7 Whitehead Power Liquid wins on landed cost. If your concerns match both, evidence is the tiebreaker we'd use.
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.