41. :: Sebum was my first thought; if damp, I believe it's attractive to some bacteria. 42. Acne starts when the fatty glands attached to the skin's hair follicles produce too much oil, called sebum . 43. Some effective materials used to grease the bearing block include sebum , animal and plant oils, or even moist vegetation. 44. Sebum may act as a delivery system for antioxidants, antimicrobial lipids, pheromones, and hydration of the stratum corneum.45. Sebum contributes to the skin s slightly acidic natural pH somewhere between 5 and 6.8 on the pH spectrum.46. Also, it dries out the area by reducing sebum production, prevents clogged pores, and is a keratolytic agent. 47. Dibenzofuran is excreted 22 % the daily intake of dioxins from meals is excreted from feces and 29 % from sebum . 48. The accumulation of dead skin cell debris and oily sebum blocks the pore of the hair follicle, thus forming the microcomedone. 49. "P . acnes " is also capable of provoking additional skin inflammation by altering sebum 's fatty composition. 50. Males mark their territory by rubbing themselves on the ground, depositing musky sebum secreted by large sebaceous glands on their abdomen.
