Selsun anti-dandruff shampoo in Kenya treats and prevents dandruff and scalp seborrheic dermatitis. It contains SELENIUM SULFIDE 2.5% used in treating dandruff-like conditions, psoriasis and seborrhea. Do not take by mouth. This medicine is for external use only. Shake well before using. Wet hair with luke-warm water. Then apply 5ml of shampoo or as recommended and massaged into the scalp. Leave for 3-5 and then rinse off.