Awasome Sebum Hair References. The function of sebum is to moisten and prevent the skin from becoming too dry. Web advertisements what is sebum?
And the latter—which consists of 4a, 4b, and 4c —is used to describe coily hair. It also travels down the hair shaft to protect each hair strand. It’s the sebum produced by the glands on your scalp that can make hair look greasy in between washes.
