sebaceous

adj. pertaining to oil or fat; composed of oil or fat; producing oil or fat

The sebaceous glands are glands found in the skin of mammals.
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Adjective
1. containing an unusual amount of grease or oil; "greasy hamburgers"; "oily fried potatoes"; "oleaginous seeds"
(synonym) greasy, oily, oleaginous
(similar) fatty, fat

(a.)
Pertaining to, or secreting, fat; composed of fat; having the appearance of fat; as, the sebaceous secretions of some plants, or the sebaceous humor of animals.
  

Oozing slime or grease