18 and older
seborrheic dermatitis, Skin microbiome, Photodynamic therapy, Light therapy
This study requires 4 visits to the clinic and takes about 3 months.
Subjects who are taking systemic corticosteroids (at doses of prednisone greater than or equal to 5 mg daily), antibiotics (PO, IM or IV) or using topical anti- fungals, steroids, antibiotics, permethrin, or calcineurin inhibitors within 2 weeks prior to the study will be excluded.
The exclusion criteria will also include the presence of other untreated inflammatory conditions (such as lupus, atopic dermatitis, or psoriasis) or untreated malignancies on the face (including skin cancers such as basal cell carcinoma, squamous cell carcinoma and melanoma).
Any subjects with known or suspected hypersensitivity to any constituent of the study medication or a history of photosensitivity due to conditions such as lupus erythematosus and porphyria will be excluded.
Subjects who have had photodynamic therapy (PDT) to the face for any reason within the past year will be excluded as well.
Adults unable to consent, individuals under the age of 18, pregnant or breastfeeding women and prisoners will be excluded from the study.
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