How does the secretion of sebum from the skin protect the skin?

Foster Koopmann: sebum has antibacterial activity which protects the skin from infectionsits has fatty acids which protects the skin from dryness and so microbs cannot colonies

Delphine Cajka: Skin Sebum

Damaris Weiler: Sebum (latin; fat) is the secretion of the sebaceous gland (oil glands). Our skin has numerous oil glands that keeps skin soft and moist.Functions: the major function is protection from pathogens1) It is involved in the first line of defense of immune systemit acts as chemical barrier to pathogen entry along with sweat making the skin surface acidic (pH 3-5), thereby inhibiting microbial growth.2) keeping the skin and hair moisturized. Less production of sebum makes skin dry. Sebum production is more during adolescence under the influence of hormones. Too much production can cause acne or pimples...Show more