Our natural face oil gets a bad rap, and we think it’s about time to rectify that. Sebum (pronounced see-bum), functions as our body’s natural skincare—and, fun fact, bottled skincare products have been trying to copy it for years. Not only does this oily substance keep our skin balanced, moisturized, and protected, it has the added benefit of costing zero dollars.
But—and yes, there’s a “but”—there can be too much (or too little) of a good thing, leading to skin problems like acne or dryness. We reached out to dermatologist Rina Allawh, MD, based in King of Prussia, PA, to fill us in on all things sebum. Read on for the lowdown on what it is, how it benefits our skin, and more.
About the Expert:
Sebum is often used as shorthand for “oil,” but it’s really the main component of our skin’s natural moisture system (along with things like sweat and dead skin cells). Produced in the teeny-tiny sebaceous glands, which are mostly situated by our hair follicles, sebum is much more complex than your average topical oil. “Sebum contains a mixture of triglycerides, free fatty acids, waxes, and other natural chemicals that collectively promote a protective healthy skin barrier and maintain skin moisture,” says the derm.
Sebum plays an “essential role” in our skin health, according to Allawh. First and foremost, “It provides skin hydration, protecting the skin barrier from water loss,” she explains. It also has anti-inflammatory and antibacterial properties. “The antibacterial benefits of sebum are due to its mildly acidic pH, which help tackle harmful skin bacteria and fungal microorganisms that may trigger or worsen acne and skin fungal infections, respectively,” says the derm. Sebum also contains essential compounds and antioxidants such as squalene, which “protect against harmful free radicals that accelerate premature skin aging,” according to Allawh.
Sebum may sound miraculous, but a perfectly balanced skin barrier is rare. A buildup of sebum on the surface of the skin can lead to clogged pores or pimples. Meanwhile, too little sebum can lead to excess dryness. Not to mention the full spectrum of skin types in between, which may experience any and all of the above. Several factors can impact how much sebum we produce:
Whether you have dry skin or oily skin, you may be able to balance your skin’s oil production thanks to some strategic skincare.
“Use of topical retinols and retinoids may help manage sebum production by the sebaceous glands,” recommends Allawh. “This ingredient is a mainstay in acne treatment, especially those experiencing oily skin.” Many lower-grade retinol products can be purchased over-the-counter, but more concentrated products can be prescribed by your dermatologist.
And although products can help control excess sebum, one thing to avoid is using overly drying cleansers, toners, and other products that strip skin, as they can backfire and cause an overproduction of sebum. Check with your derm for the skincare routine that’s best suited for your skin.
On the other end of the skincare spectrum, drier skin types need to pack in moisture. “Those with dry skin may experience decreased sebum production that may present itself as eczema,” explains Allawh. “Applying [products containing] ceramides and hyaluronic acid, among other hydrating ingredients may not necessarily boost sebum production, but promote further skin hydration and strengthen the protective skin barrier,” she explains.
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