Organoleptic characteristics and pH values for each gel formulation
| Organoleptic characteristics | F1 | F2 |
| Appearance and stickiness | Smooth, homogeneous and no sticky | Smooth, homogeneous and no sticky |
| Odour | Slight alcohol odour | Slight alcohol odour |
| Rapamycin crystals | Not observed | Not observed |
| Colour | Transparent | Slightly opalescent |
| Size of α-tocophérol drops | Not applicable | 8.7±3.8 µm |
| pH value | 6.6±0.1 | 6.7±0.1 |