What does it relieve? - Muscular and joint pain in various parts of the body such as shoulder, neck, waist, back, elbow, and knee. What does it offer? - PanaflexPain Relief Patch has a clean menthol fragrance and a slim, flexible, non-messy format suitable for wearing under clothing. - It is water based, and gentle on skin. Suitable for adults and children aged 12 years and over. For external use only.