Table 2.
Gel composition (% w/w). Water contained 0.35% w/w imidazolidinyl urea and 0.05% w/w methylchloroisothiazolinone and methylisothiazolinone as preservatives. Ingredients include Carbopol, Triethanolamine (TEA), essentials oils, Solubilisant, solid lipid nanoparticles (SLNs) preparation A, lipid nanoparticles (NLCs) preparation CEO3 and water.
| Code | Ingredient | ||||||
|---|---|---|---|---|---|---|---|
| Carbopol | TEA | EO | Solubilisant | SLN A | NLC CEO3 | Water | |
| A | 0.8 | 0.8 | -- | -- | -- | -- | 98.4 |
| B | 0.8 | 0.8 | 1.5 | 4.5 | -- | -- | 92.4 |
| B1 | 0.8 | 0.8 | 3.0 | 9.0 | -- | -- | 86.4 |
| C | 0.8 | 0.8 | -- | -- | 98.4 | -- | -- |
| D | 0.8 | 0.8 | -- | -- | -- | 49.2 | 49.2 |
| D1 | 0.8 | 0.8 | -- | -- | -- | 98.4 | -- |