Leola ointment
From Memory Alpha, the free Star Trek reference.
Leola ointment is a Talaxian homeopathic treatment for sunburn, made from leola root.
Neelix made some leola ointment for himself after he fell asleep on a beach on Norcadia Prime during shore leave in 2376. He later found out that he was allergic to leola ointment, necessitating intervention by the Doctor. (VOY: "Tsunkatse")
