Dercos antidandruff shampoo for greasy hair is our first patented formula enriched with selenium ds and cohesyl and helps to purify and soothe the scalpthe formula targets visible dandruff flakes from the first wash to reduce their appearanceits light mint leaf and menthol fragrance gives you a sensation of freshness each time you use itfor first application leave on the hair for 2 minutes then rinse thoroughly for subsequent washes massage into hair then rinse use as a 4 week program