Skin characteristics at 1 month post burn. A, Viscoelasticity. B, Skin hydration. C, Transepidermal water loss. D, POSAS. The POSAS score ranges from 1 (indistinguishable from normal skin) to 10 (worst imaginable scar). *P < 0.05, **P < 0.01, and ***P < 0.001. POSAS, Patient-Rated Overall Scar Appearance Scale.