Aufguss is a German sauna ritual in which a sauna master pours scented water over the stones and then fans the steam around the room with a towel, in timed rounds. It is theatre as much as heat, it is the reason German sauna culture feels different, and there are two reasons it is hard to reproduce at home.
What happens in a session
A sauna master closes the room, pours infused water over the hot stones in stages, and uses a towel to drive the resulting steam around and onto each person in turn, usually in three rounds over ten to fifteen minutes, often with music. The heat arrives in waves rather than steadily, and the effect is far more intense than sitting in the same room alone.
Why the towel matters
Still air next to your skin insulates you. Moving hot, humid air strips that layer away, so the same room at the same temperature becomes dramatically hotter the moment the towel starts. That is the whole mechanism, and it is why an Aufguss round at a modest temperature is more demanding than a long quiet sit at a high one.
What a home cabin would need
Height and volume, mostly. A master needs room to swing a towel above head height without hitting anyone, and enough air volume for the waves to mean anything. A two seat cabin has neither. A heater with a generous stone load is the other requirement, because a session pours far more water than a normal sit does.
The home version
What does translate is the infusion and a gentler fan. Dilute an oil made for sauna use in the ladle water, never neat on the stones, pour in stages rather than all at once, and move the air with a towel from where you sit. It is not Aufguss, and it is a noticeably better sit than pouring once and sitting still.
Questions people ask about aufguss sauna
What is Aufguss?
A German sauna ritual: a sauna master pours infused water on the stones in rounds and fans the steam onto each person with a towel.
Can you do Aufguss in a home sauna?
Not properly. It needs headroom to swing a towel and enough air volume for the waves. A domestic cabin has neither, though the infusion translates.
Why is it so much hotter?
Moving air strips away the still layer insulating your skin, so the same room at the same temperature feels far more intense once the towel starts.