Yunnan Baiyao is a proprietary formula that is exclusively made by one company in the world.  This is a "pain" patch that is for the temporary relief of acute traumas with swelling and/or generalized aches and pain.

Ingredients: Borneol, Chinese yam (rhizoma dioscoreae), Herba geranii, Lanolin, Radix Notoginseng, Rosin, Rubber, Vaseline, Zinc oxide, Camphor 10%, Menthol 3%.

Directions for Use: Apply to affected areas no more than 3 times a day. (Patches are 4 x 2.5in, there are 5 in each packages)

Cautions: For external use only. Highly adhesive plaster may hurt skin upon removal. To avoid skin irritation do not use 1 hour prior to bathing, during bathing, or 30 minutes after bathing. Do not apply to extremely hairy skin. Do not use if pregnant.