Described herein are compositions comprising antibacterially-effective amounts of a compound of Formula (I):or a salt thereof in which R1and R2are each independently(C1-C6) alkyl or (C2-C6) alkenyl, and a carrier. Suitable carriers include orally-acceptable carriers and dermatologically-acceptable carriers. The disclosed compositions include oral care and personal care compositions useful for treating or preventing oral and skin conditions, respectively.本發明係說明組成物,其包含抗細菌有效量之式(I)化合物:或其鹽,其中R1及R2各自獨立為(C1-C6)烷基或(C2-C6)烯基,及載體。適當之載體包括口腔上可接受之載體及皮膚上可接受之載體。所揭示之組成物分別包括有用於治療或預防口腔及皮膚症狀之口腔保健及個人護理組成物。