Which soap is good ? Which soap has highest TFM?
Jan 29, 2017·According to BIS norms, soap has given three grades with respect to the TFM value. Grade I - TFM > 75% Grade II - TFM 65-75% Grade III - TFM < 65 % if the soap contains fillers, it affect the quality of soaps and TFM has low value. For handmade cold processed soaps, it retains 9-12% glycerin on an average (which is good for the skin).