linne1gi @linne1gi • Joined Oct 2021 • Active a year ago Remove Connection Are you sure you want to remove from your connections? Profile Forums Timeline Groups Photos Documents Discussions Replies Favorites Discussions Replies Favorites Forum Replies Created linne1gi Member October 4, 2021 at 7:43 pm in reply to: What can be the cause of scalp irritation one or two days after washing hair with this shampoo? SleS and SLS are both very strong surfactants and they both have high pH which may be bothering your scalp.