“…The effects of application of fabric softener on physico-mechanical properties of various textile substrates were studied by many researchers ( El-Newashy et al., 2021 ). Most of the topographical properties of wool, such as surface roughness, friction coefficient, felting shrinkage, wettability, and pilling, could be affected by the applied softener ( Kim et al., 2021 ; Argentou et al., 2022 ).…”