Suggest Treatment For Seborrheic Dermatitis In Eyebrows

Hi , i have seborrheic dermatitis in eyebrows, and its causing hair loss i was told to use nizoral shampoo every other day on the eyebrows and leave it on for 10 minutes each time will that cause more hair loss to the eyebrow area or should i continue you on using the nizoral shampoo every other day on the eyebrow area for a month like i ve been advised ? and also i ve been told to use (diprosalic lotion) on the eyebrow twice daily for a month will that cause further hair loss to the eyebrow ? should i just use the shampoo only and stop the cortisone or should i use both for a month ?please help me