Avoid harsh soaps and detergents: you'll especially want to avoid products that contains sodium lauryl sulfate as it can dry and irritate the scalp (beautyzion.com)
After promising not to use sodium lauryl sulfate in any products, The Honest Co. is under scrutiny after two lab tests found significant amounts of the chemical in its laundry detergent. (treehugger.com)
But what about the second — sodium lauryl glucoside carboxylate? (annmariegianni.com)