Isntree Hyper Retinol EX 1.0 vs IOPE Expert Retinol Super Bounce 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.
Isntree — Hyper Retinol EX 1.0Full breakdown →
IOPE — Expert Retinol Super Bounce SerumFull breakdown →
| Isntree Hyper Retinol EX 1.0 | IOPE Expert Retinol Super Bounce Serum | |
|---|---|---|
| Step | Serum | Serum |
| Price | $28 | $49 |
| Best landed cost | $28 | $54.99 |
| Rating | ★ 4.4 (2,200) | ★ 4.5 (800) |
| Evidence grade | B | A |
| Korea signal | #16 serum · Olive Young Korea (seed) | — |
| Hero ingredients | Retinol, Adenosine | Retinol |
| Best for | Aging, Texture | Aging, Texture |
| Skin types | Normal, Combination, Dry | Dry, Normal, Combination |
| Texture | light | light |
| Tone note | All tones | All tones |
| Fragrance-free | ✓ | ✗ |
| Fungal-acne safe | ✗ | ✗ |
| US stock | ✓ | ✓ |
Our read: IOPE Expert Retinol Super Bounce Serum carries the stronger evidence grade (A); Isntree Hyper Retinol EX 1.0 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.