There are two different ways that you can use your essential oils in the washing machine. The first is to add 4-6 drops to your washer during the wash cycle. The second is to add it, along with a little bit of water, to the fabric softener compartment in your washing machine before starting a cycle.
Because you only need a small amount, using essential oils in your laundry is. oil in a bottle of unscented laundry detergent to add a fresh scent in the wash.
The question comes up now and again, can you use essential oils in the laundry. In my opinion, adding essential oils to the washing machine is a waste of oils.