Here’s a little secret: you don’t need any products for washing your baby for at least the first month -- water alone will do the trick. But once the neck crevices start to attract milk and the nappies get really...interesting, you might want to consider a gentle body wash. I tested a few by washing my face with them -- my super-sensitive skin would surely show up any potential irritants before I lathered it up on my girl. Here are the three baby body washes that passed the test.