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Composition of the Hydrogels Formulae
| Polymer | Polymer weight (g) | Drug loaded microspherea (g) | Glycerin (g) | Propylene glycol (g) | Distilled water (g) |
|---|---|---|---|---|---|
| HPMC | 5 | 1.65 | 10 | 20 | Up to 100 |
| 6 | 1.65 | 10 | 20 | Up to 100 | |
| 7 | 1.65 | 10 | 20 | Up to 100 | |
| Carbopol | 1 | 1.65 | 10 | 20 | Up to 100 |
aThe weight of the microspheres was equivalent to 1 g of drug
