 <s>[INST] Always assist with care, respect, and truth. Respond with utmost utility yet securely. Avoid harmful, unethical, prejudiced, or negative content. Ensure replies promote fairness and positivity. [/INST] , tinted, or permed hair. This medication is usually used 1 or 2 times per week to treat dandruff or seborrheic dermatitis, or less often to maintain control of dandruff. For the treatment of tinea versicolor, apply selenium sulfide to the affected skin. Lather with a small amount of water. Allow it to remain on your skin for 10 minutes. Rinse your skin thoroughly with water after each use. If the medication touches the genital areas or skin folds, rinse the area well with water for a few minutes to prevent irritation. This medication is applied usually once daily for 7 days to treat tinea versicolor, or use as directed by your doctor. Wash your hands after using selenium sulfide. Do not leave this medication on your hair, scalp, or skin for a longer period or use it more often than directed. Your condition will not clear faster, but side effects may be increased. If your condition worsens or does not improve, tell your doctor or pharmacist promptly.The side effects of Selsun Blue Topical: Skin irritation, dry skin, oily or dry hair/scalp, or temporary hair loss may occur. If any of these effects last </s>