Can cigarette smoke exacerbate skin conditions?

Yes. Nicotine affects your blood vessels, making them constrict and deliver blood and oxygen poorly.  This could exacerbate skin conditions. Nicotine also decreases elasticity, meaning your skin would bounce back less from stretching. The smoke could be irritating externally, too.
Dr. Mehmet Oz, MD
Cardiology (Cardiovascular Disease)
Cigarette smoke can exacerbate skin conditions you already have, or play a significant role in the development of new skin conditions. Smoking has been known to worsen or cause skin cancer, genital warts, human papilloma virus (HPV), infection, hidradenitis suppurativa, lupus erythematosus, acne, psoriasis, eczema and hair loss. Smoking doesn't look so glamorous anymore, does it?
Smoking can worsen existing skin conditions like psoriasis, and rashes such as eczema. Nicotine restricts oxygen and blood flow to your skin, which slows healing and recovery time after injuries or surgery. This slow recovery time makes the skin more prone to infections and scarring. It also accelerates aging and wrinkling of the skin.

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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.