| Hydration | TEWL | pH | |||
Day 1 | Day 29 | Day 1 | Day 29 | Day 1 | Day 29 | |
untreated | 38.01 ± 6.13 | 36.85 ± 6.49 | 11.9 ± 3.7 | 12.9 ± 2.5* | 4.94 ± 0.50 | 4.87 ± 0.43 |
Vit C | 37.21 ± 6.32 | 36.94 ± 5.63 | 11.6 ± 4.1 | 12.9 ± 2.0 | 5.08 ± 0.49 | 4.67 ± 0.38*† |
Spray | 37.03 ± 6.69 | 41.67 ± 6.59*† | 10.5 ± 2.4 | 13.9 ± 5.7* | 4.87 ± 0.55 | 4.82 ± 0.41 |
Mask | 37.94 ± 8.03 | 39.65 ± 6.98† | 11.9 ± 4.7 | 13.6 ± 2.5 | 5.05 ± 0.56 | 4.89 ± 0.38 |