If your loved one had the unfortunate pleasure of being sprayed by a skunk then this receipe is just what you are looking for. 
Mix together 1 quart of 3% hydrogen peroxide, 1/4 cup of baking soda, and 1 teaspoon of liquid soap (dawn dish liquid).
Bathe your pet with this solution and let it soak for 5 minutes and then wash it off.
Repeat if needed..