While many similar products on the market also have a 2% BHA concentration, they don't always have the right pH balance. "Salicylic acid works best at a pH between 3 and 4," says Begoun.

and 2% BHA (beta hydroxy acid) to combat blemishes and make the skin texture smoother and more radiant. It's also blood-red, like a Vampire Facial. In my experience, it's best for evening out the ...