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Why does hair get greasy looking?

Hair can get greasy over time either because of oils secreted from the scalp or because of oily hair care products. Some people produce more oils than others. The excess oil may be due to hormone surges triggered by puberty, stress, pregnancy, menstruation, or hormonal medications. Many hair care products contain oil and can make your hair look and feel greasy. These products may also clog the pores in your scalp and cause skin problems.

There are a few things you can do to prevent or address greasy hair. Make sure you shower and shampoo daily. It's okay to brush your hair, but avoid brushing too hard or too frequently. The oils from your scalp will spread throughout your hair, causing it to look greasy. Also, avoid using products designed for oily hair.


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.