Table 1 Classification of LBDDS by Pouton
Category | OIL (lipophilic) | Surfactant (lipophilic) | Surfactant (hydrophilic) | Co-solvents | Formulations |
|---|---|---|---|---|---|
Category I | 100 % | 0% | 0% | 0% | Simple oily solutions |
Category II | 40-80% | 20-60% | 0% | 0% | SEDDS |
Category III | 0% | 20-40% | 20-40% | 20-50% | SMEDDS |
Category IV | 0% | 0-20% | 20-80% | 0-80% | Colloidal micellar dispersions |