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Cosmetic acceptability of products (minimum score: -4; maximum score: +4; see Methods)
| Dimeticone group | Permethrin group | P value | |
| Median (interquartile range) | Median (interquartile range) | ||
| Day 2 | 1 (0 – 2) | 1 (-1 – 2) | P = 0.5 |
| Day 4 | 1 (0 – 2) | 0 (-0.5 – 1) | P = 0.003 |
| Day 7 | 1 (1 – 2) | 1 (0 – 2) | P = 0.04 |
| Day 9 | 1 (1 – 2) | 1 (-1 – 2) | P = 0.01 |
