Abstract: An aqueous antiperspirant or deodorant oil in water emulsion suitable for being dispensed through a roll-on exhibiting superior consumer attributes and comprising a continuous aqueous phase containing an antiperspirant or deodorant active, an ethoxylated ether emulsifier or mixture having an average HLB of from 7 to 9 and a dispersed oil phase comprising a plant oil such as a fatty acid triglyceride and a particulate silica and especially a hydrophobic fumed silica.