Eight times out of 10, it's safe to use human shampoo on dogs, according to veterinarian Jennifer Gabriele. Some dog groomers actually prefer human shampoo for dogs, according to Real Simple.
Human shampoo brands such as Head & Shoulders and Pantene can prevent dandruff in dogs and give the pet a silkier coat, respectively. It is best to check with a veterinarian to make sure that the pet doesn't have sensitive skin. Some shampoos can cause allergic reactions in dogs that are sensitive. Symptoms can include swollen skin or a rash. In severe cases, an allergic reaction to shampoo can result in breathing problems in dogs.