The strongest retinol percentage available without a prescription is 1%.
While there isn't a prescription-strength retinol, the strongest prescription-strength retinoid is tazarotene 0.1% gel. (Reference date: 30-Apr-2023)
In summary:
| Type | Strength | Availability |
|---|---|---|
| Retinol (Over-the-counter) | 1% | Without Prescription |
| Tazarotene (Retinoid) | 0.1% (gel) | Prescription Only |
