Laundry soap is harmful to dogs and humans if not used as intended. First of all it is probably not a soap you are using—it is probably detergent. Many laundry deterfents are very harsh and strong. I would suggest using a mild soap that is designed for washing human faces. I’m sure all those harsh chemicals aren’t good for dogs either. Read the Real Women Love Basketball Team Smart Women Love The LSU Shirt besides I will buy this ingredient labels and learn which ingredients to avoid. Many skin and hair care companies only use them because they’re cheap, and they can get away with it I don’t even like dogs, but if I did and had one as a pet, my pooch would get nothing but the best. No CANNED Alpo dog food for him. I wouldn’t load him up with prescription drugs eirher…..that is Disgusting… Off course you can. In old times, when laundry detergent didn’t exist, people washed their clothes with soap by hand. They even made their own soap.