Abstract: The present invention relates to a deodorising composition containing: (a) 1,8-para-menthenethiol, (b) 3-mercaptohexyl acetate and (c) undecylenic acid or a derivative thereof. It also relates to the use of said composition for eliminating bad odours, and to a deodorant product in the form of an aerosol, a candle or a perfume diffuser that has a wick or a stick or is electric, or an article consisting of a solid polymeric material, in particular a silicone elastomer, containing the aforementioned composition.