your wrist or your elbow http://www.nationwidechildrens.org/bathing-your-baby http://www.nationwidechildrens.org/bathing-your-baby http://www.nationwidechildrens.org/bathing-your-baby just above 100 F Nationwide Children's Hospital http://www.nationwidechildrens.org/bathing-your-baby Nationwide Children’s Hospital http://www.nationwidechildrens.org/bathing-your-baby http://www.nationwidechildrens.org/bathing-your-baby http://www.nationwidechildrens.org/bathing-your-baby http://www.nationwidechildrens.org/bathing-your-baby http://www.nationwidechildrens.org/bathing-your-baby http://www.nationwidechildrens.org/bathing-your-baby http://www.nationwidechildrens.org/bathing-your-baby use your elbow