I often add a few drops of lemon oil to cleaning solutions for extra antiseptic germ killing properties. Mix a drop in a teaspoon of water & wipe the kitchen counter and cutting boards. It makes the kitchen smell fresh too. I add lemon oil to a spray bottle of water and spray surfaces in the bathroom and anywhere else I want to disinfect or deodorize. It also sanitizes the bathroom fixtures.
Waste Disposals: A great way to freshen your waste disposal bin is to put your lemon or orange peels in it.
A few drops of oil may be added to the dishwasher to help disinfect and purify.
To clean hard floors, add 1/4 cup of white vinegar to a bucket of water. Then add 5-10 drops of lemon oil.
Use a drop of lemon to disinfect your hands after using public restrooms.