Tar. Specifically wood tar,

Pine tar is used in topical medicine for dermatology around the world I don't think it's limited to anywhere particular.

amelius 3 hours ago | parent | next [-]

Isn't that the same stuff as in soldering flux?

Smells good, for sure. But I don't know if it promotes good health.

t-3 6 hours ago | parent | prev | next [-]

In Finland, they are most likely using birch tar.

	▲	lrasinen 6 hours ago \| parent [-]
		Nah, it's pine.

louthy 3 hours ago | parent | prev [-]

And coal tar