Extreme O2 is extremely oxygen-saturated and hydrogen charged, True Scalar Energy enhanced spring water. Use unopened and foil removed when placed in a spa or bathtub or next to the body while sleeping in order to target specific parts of the body for pain etc. Please be aware this is a glass bottle, so be careful. Do not let the unfoiled bottle touch other liquids. Refoil when not in use. The glass bottle of Extreme O2 will have communicated with a 30 gallon bath after approximately five minutes. Leave the bottle in the tub for the duration of the bath. For drinking, add 1 tablespoons per gallon of water of choice.