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Real members of MySebDermTeam have posted questions and answers that support our community guidelines, and should not be taken as medical advice. Looking for the latest medically reviewed content by doctors and experts? Visit our resource section.
A MySebDermTeam Member asked a question 💭
Glendale, AZ

I guess what I'm asking is can a person leave in psoriasis cream if used on the scalp/hair and if so does it need to rinsed out after each time applied to the scalp/hair?

August 7, 2025
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MySebDermTeam

For seborrheic dermatitis treatment, it's important to understand that medicated treatments come in different forms. When using medicated gels on the scalp, they should be rubbed into affected areas twice daily for two weeks. After application, keep the area dry for at least three hours. If using other hair products, wait Show Full Answer

For seborrheic dermatitis treatment, it's important to understand that medicated treatments come in different forms. When using medicated gels on the scalp, they should be rubbed into affected areas twice daily for two weeks. After application, keep the area dry for at least three hours. If using other hair products, wait at least 30 minutes after applying the medication. For medicated shampoos, the proper technique is:
• Apply to wet hair
• Lather into entire scalp
• Let sit for 5-10 minutes
• Rinse thoroughly with warm water
• Repeat if directed

These can be used 2-3 times weekly or daily, depending on your symptoms and healthcare provider's recommendations. As symptoms improve, usage can be reduced to once a week or every other week for maintenance.

August 7, 2025

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