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A 27-year-old male asked:

I think i have 2 ringworms on my scalp. will washing with selsun blue get rid of them? it says it has 1% selenium sulfide as the active ingredient.

1 doctor answer1 doctor weighed in
Dr. James Ferguson
Pediatrics 47 years experience
Unlikely: If it is true scalp ringworm, the topical lotions can reduce the surface growth but the problem is deeper.Scalp ringworm gets down into the root system of the hair and usually requires oral prescription meds that get there through the blood. IF your problem is really a ringworm, it is unlikely to go away with such treatment.
Last updated Jun 16, 2020

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