The invention relates to a hair treatment composition comprising: a) from 0.1 to 2 wt. % of selenium disulfide; b) from 0.1 to 2 wt. % of zinc pyrithione; and, c) from 0.01 to 10 wt. % of a cationic guar hydroxypropyltrimonium chloride polymer; and to the use of the composition for the treatment of dandruff.