Model Max. scalp temperature (°C) Min. scalp temperature (°C) Perfusion decrease (%) Johnson et al. with 4 mm hair layer 34.4 18.3 25 Johnson et al. with 1 mm hair layer 34.4 10.05 13 Present study 34.3 9.68 12

Table 3: The model was validated against Johnson et al. As indicated the model matches well with the case with 1 mm hair layer.