Discussions tagged with 'isoelectric-point' abdullah pH of cationic emulsion for skin. Above or below it’s isoelectric point which is 4.8 fekher replied 1 year, 8 months ago 3 Members · 14 Replies Skin abdullah Is it good thing or bad thing for hair health to have negative charge? abdullah replied 1 year, 9 months ago 1 Member · 0 Replies Hair Viewing 1 - 2 of 2 discussions