If you wash your dog more frequently than this, it's best NOT to use any shampoo for humans, but a gentle shampoo formulated specifically for a dog your age. Also, dogs and puppies needing special attention because of fleas or skin conditions should not use human shampoo. read more
If you have a hose, this will work best; otherwise, a plastic cup or bowl will work well for wetting your dog using water from the tub. Using a small amount of your diluted shampoo, work a light lather into your dog's fur. read more
The most common reason not to use human shampoo on a dog is that dogs have different pH levels than humans, as explained by petMD. The acid mantle can also be defined as the relative pH balance of the skin. read more