Zero BS RubMulti use powerhouse One jar tackles congestion, coughs, muscle aches and joint discomfort. Zero BS Rub is your go to vapour rub. Powered by Talloren, pure fynbos oils, and zero petrochemicals it works harder, lasts longer, and is our natural alternative to the chemical fog you will find in other vapour rubs. How to Use Chest & Sinus Relief: Rub onto chest, throat, or back. Under Nose Clear: Apply a small amount under the nostrils or behind the ears.