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Physicochemical characteristics of topical hydrogel formulations
| Characteristics | Evaluation method | Topical hydrogel formulations
|
|
|---|---|---|---|
| F1 | F7 | ||
| Homogenecity | Visual inspection | Good | Good |
| Grittiness | Optical microscopy | No | No |
| Clarity | Visual inspection | Clear | Clear |
| pH | Electric pH meter | 7.24±0.32 | 7.72±0.50 |
| Viscosity | Brookfield viscometer | 7,823.21 cps | 8,231.23 cps |
| Drug content (%) | Flask shake method | 97.23±0.61 | 96.18±0.29 |
