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Why does hair get greasy looking?

Dr. Mehmet Oz, MD
Cardiology (Cardiovascular Disease)
Each of the hair follicles on your body is connected to glands that secrete an oily substance to lubricate your skin and hair. The oily substance, called sebum, moves up the hair shaft and out the follicle. Watch the animation to learn more about sebum.


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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.