Dr. Greene’s Answer:
The appearance (in whatever order) of body odor, underarm perspiration, acne, underarm hair, and pubic hair are all triggered by an event called adrenarche – the adrenal glands beginning to pump out hormones of maturation. These hormones also stimulate a desire for and need for independence.
It’s time for most kids to bathe alone when you notice one of the above signs, and/or the child begins to ask for privacy or act embarrassed about their own or about your body.