Reduces the appearance of visible flakes and itchiness dercos anti dandruff shampoo for dry hair is our first patented formula enriched with selenium ds and cohesyl and helps to purify and soothe the scalp the formula targets visible dandruff flakes from the first wash to reduce their appearance the scalp is left feeling soothed and cleansed directions of use for first application leave on the hair for 2 minutes then rinse thoroughly for subsequent washes massage into hair then r