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pH of sunscreen nanoemulsion containing Soybean oil (F5) during storage for 12 weeks at room and high temperature
| Formula | Time (week) | pH ± SD | Viscosity ± SD | ||
|---|---|---|---|---|---|
| 25 ± 2°C | 40 ± 2°C | 25 ± 2°C | 40 ± 2°C | ||
| Nanoemulsion (F5) | 0 | 7.23 ± 0.06 | 7.23 ± 0.06 | 133.33 ± 7.22 | 133.33 ± 7.22 |
| 4 | 6.90 ± 0.20 | 6.63 ± 0.06 | 162.50 ± 12.50 | 120.83 ± 7.22 | |
| 8 | 6.63 ± 0.06 | 6.30 ± 0.00 | 245.83 ± 7.22 | 104.17 ± 7.22 | |
| 12 | 6.20 ± 0.00 | 5.93 ± 0.06 | 383.33 ± 14.43 | 75.00 ± 0.00 | |
N = 3.
