Figure 6
From: The study of tryptophol containing emulgel on fungal reduction and skin irritation

Noninvasive assessments for (a) skin hydration, (b) percentage of hydration changes, and C TEWL readings at 14 days post-application of 1000 μM TOH-containing emulgel (n = 30). Data were shown as mean ± SD. **P < 0.01 and ****P < 0.0001 indicate significant differences compared with the control group (concentration 0). TOH Tryptophol.