Homemade Fabric Softener – Finally! | One Good Thing by Jillee 6 cups water 3 cups white vinegar 2 cups hair conditioner Directions: 1. Mix water, vinegar, and hair conditioner in a 1 gallon container; stir. Do not shake it; it will cause foaming. 2. Use the same amount you normally use in a rinse cycle or spritz it on a wash cloth and throw in dryer.