Cool Toddlers Hair Not Growing Ideas. Web while some newborn babies have thick hair when they are born, some may have a bald scalp. Shutterstock ringworm is one of the most common causes of hair loss in toddlers ( 2 ).

Your immune system attacks the follicles from which hair grows. One of the primary factors that can cause slow hair growth in toddlers is a lack of nutrients. If your child suddenly develops smooth, round,.