Baby's Hair
thin hair in toddlers

What Causes Thin Hair in Toddlers?

The vast majority of children are suffering from hair loss do so because of the following conditions. All of these conditions should be easily diagnosed by your paediatrician or by a paediatric dermatologist.

Causes thin hair in toddlers is a disease caused by a superficial fungal infection of the skin of the scalp, eyebrows, and eyelashes, with a propensity for attacking hair shafts and follicles. The disease is considered to be superficial mycosis.

Tinea capitals

Tinea capitals infection is the most common cause of children’s hair loss. Some broken-off hairs are visible just above the surface of the scalp.

The patches of hair loss are from round or oval, but sometimes irregular. Sometimes the hairs are broken right at the surface and it is looking like little black dots on the scalp. Sometimes gray flakes or scales are seen.


The diagnosis is based on the appearance of the scalp and it performed to confirm the presence of a fungal scalp infection. Wood’s lamp is a test and it is performed in a dark room where ultraviolet light is shined on the area of interest.



Tinea capitals is treated with an antifungal and it is taken by mouth for 8 weeks. Thinning hair in children is also treated with Nizoral shampoo, which is used to wash the scalp 2-3 times a week.

It is very important to continue the use of oral medication and shampoo for the entire 8 weeks. Treatment failure is common when medications are not taken every day for the full 8 weeks.

Children are having tinea capitals that are not required to leave school if treatment is used as directed. Most children are not contagious when using oral medication and shampoo.

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