Mix all of the above ingredients and place them in the spray bottle. If the aloe vera is at all chunky, it may clog the sprayer, so be sure it has turned to a liquid if you use gel. You may need to run it through a very fine mesh strainer.
Shake the diaper rash spray before each use.
Use a spray bottle with a fine mist sprayer. The finer the spray, the quicker the diaper rash spray will dry.