Regular: Watermelon Sugar Free, 120 pieces (320g) - Hard gum | Optimal Shore Rigidity for Jaw Growth never becomes soft

never becomes soft

Malic Acid

Hardest/toughest chewing gum in the world

As your bite gets stronger

Exact shipment times are shown at checkout

Regular: Watermelon Sugar Free, 120 pieces (320g) - Hard gum | Optimal Shore Rigidity for Jaw Growth never becomes softStronger Gum is used in Dr. Mike Mew's clinic, the leading doctor in craniofacial orthotropics. Your browser does not support our video. The Right Combination of Hardness & Toughness Hard and tough are not the same thing. Stronger Gum uses the right combination of hard and tough materials to activate the jaw muscles maximally. Jaw muscles respond best when they are worked out for at least 15 30 minutes at a time. Programs For regular Stronger Gum,