... people based on human body temperature and acidity. Via mixing citronella oil, BAAPE, and some special ingredients extracting from plants, ... Mosquito Repellent PatchMain Material Non wonven clothMajor Ingredient Pure natural citronella oil (without DEET), herbal extracts Dimension (CM) 2.7* ... . You may apply the mosquito repellent patch on to the collar of the shirt, the arm, the shoulder, the feet, ...