This car seat cover was getting pretty gross looking. Just washing it (prior to using Shaklee laundry products) did not do the trick. Here's what Shaklee did to it.
I filled the sink with Nature Bright Laundry Booster & Stain Remover Item #00305 and Fresh Laundry Regular Scent Concentrate Liquid Item #00066. I let it sit and soak for several hours. I then wash it with my regular clothes in Fresh Laundry Concentrate Powder Item #00156. Only using 1 oz. of powder to wash a whole load. A little definitely goes a long way.
Here is the before and after.