Introducing Beverly Hills Formula’s most innovative product yet-Perfect White Black Mouthwash. The first of its kind, the ‘shake to activate’ mouthwash has been scientifically formulated to combat bad breath. Used for centuries as a method of whitening teeth and as a medicine by the Egyptians and Greeks, activated charcoal is pure carbon which is treated and “activated” to create an a fine black odourless and tasteless powder which is highly adsorbent.