ON&ON Herbal Roll on Inhaler ON&ON Herbal Roll on Inhaler is a blend of natural essential oils that supports your immunity against bacteria & virus. Also helps in reducing inflammation and infection. Now clear nasal congestion and phlegm. Ingredients Camphor oil, menthol, thymol, LLP OS Instructions for use Remove cap and roll on a few times on both your hands. Rub vigorously and Inhale periodically. Warning Not for Consumption, Not edible, in case of accidental consumption - consult your doctor immediately.