Years ago it occured to me that making oral-sprays from macerates / tinctures / elixirs would be an ideal way to get small doses and the taste / contact of a plant.
It was a time before Sativex, Kanna- and Kava- oral-sprays appear on the market and I was amazed when they came up.
The labels are shielded... (among others Kath, Kratom, Iboga, Salvia d., Lagochilus, Gastrodia, Kava with Fiji-water, Kanna with Karoo-water...)
A tip: If you want to make a oral-spray, let the filtered elixir age for about 2 months, then decant and filter again through (2 stucked together) coffee filters, to avoid agglutinating of the jet.
A Kava- oral spray is ideal against toothaches...
The spray-organ, one of them is a nasal spray: