Some important essential oil guidelines to remember: Essential oils should be diluted in a carrier oil to a maximum of 5% (see these 5 face oils for naturally clear, flawless skin). So since 1 ml is 20 drops, for every 1 ml of carrier oil, you would add 1 drop of EO. Be sure to do a patch test to make sure your skin does not have an adverse reaction to the oils.
grain alcohol [BACK TO TOP]. Meaning: The intoxicating agent in fermented and distilled liquors; used pure or denatured as a solvent or in medicines and colognes and cleaning solutions and rocket fuel; proposed as a renewable clean-burning additive to gasoline.
A grain consists mostly of starch. Further components are proteins, fats and trace elements. Starch is the basic material for alcohol production. For a simpler explanation of the chemical context, I'd like to start with sugar rather than with starch. Sugar and starch are both carbohydrates. Once you have understood the basic properties of sugar you can also understand starch easily.