Question: what is the difference between dog and human shampoo?
Answer: While our skin has a pH of around 5.5 to 5.6, your dogs skin is much more neutral, averaging a pH of between 6.2 and 7.4. Shampoos formulated for humans has much more acidic than those for dogs , and using a human shampoo can upset the balance of a dogs skin. ... The only difference between dog and human shampoo is of PH.