A solid synthetic bar cleanser for cleaning a person's skin has an acidic pH of about 5.5. The syndet from which the solid bar cleanser is formed comprises as a natural foaming agent quillaja bark extract in an amount of 0.01% to about 1%. The syndet further comprises from 0.5% to about 2% of bergaptene-free essential lemon oil, from 0.0001% to about 1% thymol, and 0.01% to about 1% of lavender oil for odor and antimicrobial purposes.