Oily secretion of the sebaceous glands (5)

I believe the answer is:
sebum
(Other definitions for sebum that I've seen before include "which will cover the skin" , "Oil on skin and hair" , "Oily skin secretion" , "Lubricant" , "oily stuff" .)
I believe the answer is:
sebum
(Other definitions for sebum that I've seen before include "which will cover the skin" , "Oil on skin and hair" , "Oily skin secretion" , "Lubricant" , "oily stuff" .)