The causes of scalp alopecia in babies can be diverse, including insufficient nutrition intake during pregnancy, a hard pillow, or a lack of calcium. Typically, scalp alopecia is caused by physiological sweating and friction between the head and the pillow. To reduce scalp alopecia, it is recommended to decrease the baby’s clothing and covering to minimize sweating during sleep. You can have the baby checked for blood calcium levels; if there is no deficiency, there is no need for deliberate supplementation, and more sun exposure is sufficient.

A 9-month-old baby frequently scratches their head, which might be due to an impulsive personality or a lack of calcium. Parents should stop this behavior promptly and enhance communication and education.