Ammeltz Yoko Yoko is specially designed to penetrate deeply into afflicted areas and effectively help with shoulder stiffness and muscle pains for a longer length of time. For Stiffness of shoulder, Muscular Pain, Low Back Pain, Bruises, Sprains, Joint Pain. Application Direction: For external use only. Apply to the affected area 2 or 3 times daily, using as much as desired. This doesn't require peeling and can be used on hairy skin, joints, and perspirant regions