Sheng Chun Herbal Patch combines ancient wisdoms with modern techniques. The herbs go through extraction and concentration process so it has high recovery of the essentials. The herbal plaster provides timed release for up to 8 hours. It is powerful in removing stasis and promoting blood circulation, relaxing tendons. It can also strengthen bone and tendon relax tendon, activate collaterals, sooth and heal inflamed tissues and reduce swelling. Elastic breathable pad attaches well on skin. Great in treating bruises or sprains.