To cleanse and purify energy. Great to use after being around large crowds, after work, etc. 
This is an intention oil. It can be used on candles, applied to the skin, used in baths as well as floor washes.. also to anoint altars,doors, and even sacred tools. 
Places to apply on the skin : Hands, Feet, and Back of the neck.
Keep out of eyes. 
Yes it is edible, do not go overboard, 2-3 drops will do. 
2oz Oil. 
Herbs and crystals included in oil for maximum potency.