Seborrheic Dermatitis: Ketoconazole 2% Foam Versus Ketoconazole 2% Shampoo

Inclusion Criteria: * African American females aged 18 to 89 years * Previous diagnosis of seborrheic dermatitis of the scalp * TDSS between 50 and 200 * Practice less than or equal to once weekly hair washing * Immunocompetent * Willing to not grease or oil scalp Exclusion Criteria: * Age below 18 years or above 89 years * Medical history of psoriasis, diabetes mellitus, immunosuppression, neurologic disorders, and/or chronic disease not stabilized by medication * Patients taking any oral steroids and/or antifungals within 30 days of enrollment * Sensitivity to any formulation components of either ketoconazole foam or shampoo including sulfur * The use of any topical medications including over the counter products indicated for the treatment of seborrheic dermatitis within 14 days of enrollment * Pregnant women, women who plan on becoming pregnant, or breastfeeding women * Current use or history of using any biologic medication