: fatty lubricant matter secreted by sebaceous glands of the skin
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Genetics, age, sun exposure, ethnicity, and sebum production affect the size of facial pores.—Laura Schober, Health, 23 Jan. 2025 Hormonal changes affect the amount of oil (sebum) on the skin.—Carrie Madormo, Rn, Mph, Verywell Health, 23 Jan. 2025 Westman Atelier Vital Pressed Skin Care Powder $75 NORDSTROM
The clean, weightless powder melts into the skin to smooth out pores and mattify shine; over time, its active ingredients can help regulate sebum production.—Jenny Berg, Vogue, 21 Jan. 2025 In particular, look for enzyme cleaners that contain lipase, an enzyme that breaks down fats and oils including sebum.—Jolie Kerr, Better Homes & Gardens, 17 Jan. 2025 See all Example Sentences for sebum
: lubricant matter that is secreted by sebaceous glands of the skin and is composed of various lipids (such as triglycerides, fatty acids, and squalene)
Androgens, such as testosterone, play a role in the development and exacerbation of acne by stimulating the production of sebum.—Isabella Tan, Dermatology Times
… the resulting production of sebum from sebaceous glands aids in lubrication, heat insulation, … antimicrobial activity, and delivery of fat-soluble antioxidants to the skin surface.—Dustin H. Marks, American Journal of Clinical Dermatology
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