The present invention relates to a topical composition. The present invention more particularly relates to a topical composition for antimicrobial benefit and a method of disinfecting a surface. According to the invention there is provided a topical composition comprising: a) 0.1 to 10 % by weight of Niacinamide or its derivatives; b) 0.01% to 5% by weight of a first quaternary ammonium salt comprising Didecyl Dimethyl Ammonium Chloride; c) 0.01 to 5 % by weight of a second quaternary ammonium salt; and d) a cosmetically acceptable base.