Apple cider vinegar is praised as a do-it-all tonic, thanks to its plethora of benefits in the wellness space. People use it to rinse their hair, relieve allergies, and even clean the house. Here, learn how this trendy liquid can double as a nontoxic home product: There’s just one catch, though: Never try this after using a commercial drain cleaner, as the vinegar might negatively react with the chemicals.