adding far infrared emitting substance like Toumaline to enhance the healing. (Yellow with warm feeling)Item no. NM103Y; (Green with Cold feeling) Item no. NM103G. Help Soothing muscle aches and pain from rheumatism, arthritis or neuralgia. Also great for soothing insect bites, stiff neck and headache induced by motion sickness. Improving blood circulation. Ingredients (Patch): Menthol, Wintergreen Oil, Soybean oil, resin, zinc oxide, amperopsis radix, angelicae dahuricae radix, angelicae sinensis radix, cinnamonum cortex, momordicae semen, paeoniae veitchii radix, notopterygium rhizoma, lindera radix, glycyrrhizae radix, angelicae tuhon radix, scrophulariae radix, rhei rhizome, rehmanniae radix et rhizome, sphorae radix, rose oil, indigocarmine, tartrazine.