It also increases if the liquid soap used to make the solution contains other chemicals or ingredients. For the best—and ...

Learn about making homemade soap ... People may choose a certified organic or natural soap containing plant or animal ingredients without fragrances, preservatives, or additives.

Wallace explains that he’d “still vote for commercial shampoos that are natural ... if you want a recipe free of castile soap. While there isn’t much research behind homemade shampoo ...