Four thieves vinegar is a herbal infused vinegar with a long history.
It can be used in different ways. Either as a preventative health tonic to ward off diseases, in cooking or for cleaning/disinfecting. Although using vinegar as a disinfectant is not supported by science it still has been used in that fashion for probably thousands of years. The infused herbs also have got antimicrobial properties to support the vinegar's benefits.
I really love and enjoy my four thieves vinegar and have got a bottle in my kitchen. I even love the strong and herbaceous smell of it.