COSRX The 6 Peptide Skin Booster Serum vs Mary&May Idebenone + Blackberry Complex Ampoule
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 6 Peptide Skin Booster SerumFull breakdown →
Mary&May — Idebenone + Blackberry Complex AmpouleFull breakdown →
| COSRX The 6 Peptide Skin Booster Serum | Mary&May Idebenone + Blackberry Complex Ampoule | |
|---|---|---|
| Step | Serum | Serum |
| Price | $25 | $19 |
| Best landed cost | $21.25 | $19 |
| Rating | ★ 4.5 (3,800) | ★ 4.5 (2,400) |
| Evidence grade | B | B |
| Korea signal | #10 serum · Olive Young Korea (seed) | #27 serum · Olive Young Korea (seed) |
| Hero ingredients | Peptides, Niacinamide | Idebenone, Niacinamide |
| Best for | Aging, Dullness | Aging, Dullness |
| Skin types | Dry, Normal, Combination, Oily | Normal, Dry, Combination |
| 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, Mary&May Idebenone + Blackberry Complex Ampoule has the lower landed cost than COSRX The 6 Peptide Skin Booster 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.