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Composition (%) of selected primary W/O nanoemulsions
| Surfactant ratio | 7:3 | 8:2 | 9:1 | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Formulation ID | A | B | C | A′ | B′ | C′ | A″ | B″ | C″ |
| Polysorbate-85 | 35 | 35 | 15 | 40 | 40 | 10 | 45 | 45 | 5 |
| Labrasol® | 15 | – | – | 10 | – | – | 5 | – | – |
| Cremophor® EL | – | 15 | – | – | 10 | – | – | 5 | – |
| Glycerol | – | – | 35 | – | – | 40 | – | – | 45 |
| Oil:medium chain triglyceride | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 |
| Water | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
Abbreviation: W/O, water-in-oil.
