Skin cleansers with pH 6-7 are best.
Ivory is 10. That is very caustic.You will like it if you have tough, greasy skin. Some "anti-bacterial" soaps are high ph. Soaps for dry or sensitive or elderly skin are made by dove, olay, eucerin, cereve, neutragena, and several others. "antibacterial" soaps are no better than others at reducing germs on skin.