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What causes scalp psoriasis?

Scalp psoriasis is caused by problems with the immune system. White blood cells called T cells, which are supposed to fight off harmful substances like viruses and bacteria, attack healthy cells. This causes an overgrowth of healthy skin cells, which quickly build up into thick, itchy patches of skin.

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Why Doesn’t Moisturizer Seem to be Helping My Psoriasis?
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How Can I Manage Side Effects from Psoriasis Biologics?
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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.