The businesses opening their doors are going to alienate their clients, because of the lack of good judgement and allowing COVID-19 to spread causing client illnesses and quite possibly death.
UV light is a favorite of Trump. He maintains orange skin with it. Unfortunately, sunlight is free spirited and difficult to catch to bottle and sell. There is an exception in capturing sunlight. Solar voltaic cells mounted on the roof of all homes in the USA will capture sunlight.