If your skin is acne prone, this natural $5 soap (sheamoisture.com) is a drugstore must-have, according to model Jourdan Dunn. “I normally don’t break out, but I have been lately. So I researched natural products and came across African Black Soap. I’ve been using it for two weeks and have seen a difference. The acne spots and scarring have faded,” she said to InStyle.