Can I use your Oil Pulling Mouthwash as a body oil test?

Absolutely. Oil Pulling Mouthwash can be used this way. 

Unrefined sesame seed oil is great for the skinBeing a medium weight oil, our Oil Pulling is heavier than Skin Fuel (our go-to daily light skin moisturizer.) and lighter than Black Balm (our heavy duty skin healer).

A body oil test is a method for evaluating how a specific body oil interacts with your skin. Many use this method to check for allergic reactions or skin sensitivities.