How do I know when my razor blade needs to be replaced?

Dr. Mehmet Oz, MD
Cardiology (Cardiovascular Disease)

A razor should slide smoothly across your skin. If your razor snags or pulls, your blade is getting dull and should be replaced. Dull blades can cause nicks, cuts and razor burn. You should also replace your blade if there are any traces of rust on it.


Jeanine B. Downie, MD
It depends how thick your hair is, but men and women should change their razor blade every 4-7 days for optimal results. Watch as dermatologist Jeanine Downie, MD, explains why it's important to change your blade and how to get a smooth, close shave.

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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.