Fig. 2.

Change of the transepidermal water loss.

Change of the transepidermal water loss (TEWL [g/h/m2]) after application of cosmetic formulations containing different concentrations of Centella asiatica extract and placebo. Data represent the mean values }standard deviation. Student's t-test: P<0.05. Where: -•-- control; -▴-- placebo; -▪-- emulsion with 5% of Centella asiaticaextract; -*- emulsion with 2.5% of Centella asiatica extract; -♦- hydrogel with 5% of Centella asiatica extract; -×-hydrogel with 2.5% of Centella asiatica extract.