Your veterinarian may recommend that you do not bathe your puppy when it is younger than 10 to 12 weeks unless absolutely necessary (especially if your puppy is one of the smaller breeds). (15thstvet.com)
You might be tempted to bathe your puppy with human baby shampoo, but even mild human baby shampoo can harm a dog's sensitive skin. (puppywire.com)
In other words, don't feel obligated to bathe your puppy once a week when he may only need it once a month. (plainfieldanimalhospital.com)