Important substances Betapinene in kaffir lime skin It is extracted into essential oils, used in hair and scalp care products, to make mosquito repellents or insect repellents. Properties - Kaffir lime skin can help with insomnia. By bringing the skin of crushed kaffir lime together with Licorice root, Phlai, Chiangpra, turmeric and bring to boil drinking water. - as a heart tonic By bringing about 1 tablespoon of freshly sliced kaffir lime skin mixed with borneol or camphor and brewed in boiling water. then soak it then drink - Helps expel intestinal wind Relieve colic, flatulence, abdominal distension. - Helps to excrete toxins in the body through the skin by using kaffir lime skin as herbal sauna ingredients