Shower Gel vs. Body Wash vs. Bar Soap: Which Body Cleanser ...
“By definition, soap is a long chain fatty acid alkali salt with a pH between 9 and 10,” says Dr. Fayne Frey, M.D., board-certified dermatologist in West Nyack, New York. (For comparison, your skin’s pH is between 5 and 6.) “These bar cleansers are harsh on the skin, as they can remove the essential lipids and proteins found on the skin ...