thanks for asking via HCM, Seborrheic dermatitis is a common skin condition that mainly affects your scalp. It causes scaly patches, red skin and stubborn dandruff. Seborrheic dermatitis can also affect oily areas of the body, such as the face, upper chest and back. NO where in dermatology retino A cream (topical Tretinoin) is prescribed for seborrheic dermatitis. treatments includes - Creams, shampoos or ointments to control inflammation - hydrocortisone, fluocinolone or desonide (Desowen, Desonide) are corticosteroids to apply to the scalp or other affected area. Antifungal shampoo : Ketoconazole shampoo - twice weekly. Medications that affect your immune system. Creams or lotions containing the calcineurin inhibitors tacrolimus and pimecrolimus may be effective and have fewer side effects than corticosteroids do. hope this clears your facts. regards