Eyebrow hair loss may happen as a result of alopecia. In this condition, the hair follicles are restricted from growing the hair.
The main causes of eyebrow hair loss are:

• Health problems
• Over plucking of the eyebrows
• Mistaking hair follicle as bacteria by the immune system
• Thyroid problems
• Pregnancy
• Hormone imbalances
• Chemotherapy
• Taking some medications

Thyroid Eyebrow Hair Loss
Thyroid is considered as a major problem of hair loss in the human body. It causes hair loss as well as eyebrow hair loss. Thyroid hormone acts vita in case of eyebrow hair loss. Thyroid hormones affect the hair badly if they are under active or hyper active. The hormones which generally affect hair loss are DHEA, estrogen and throxine.

Causes of thyroid eyebrow hair loss are concentration of thyroid hormones and influence of thyroid hormone in protein metabolism. The thyroid condition may lead to hyperthyroidism. It is normally seen more in women than men. It causes diffuse telogen hair loss.

Treating the thyroid hair loss condition can be treated with the help of human growth hormone or HGH. It can be consumed in the form of supplements and injections. It helps in the restoration of thyroid gland function. In this way, the hair loss problem is restored successfully in people suffering from thyroid problems.

Eye hair loss and thyroid eyebrow loss have to be addressed by a doctor in its early stages. It is advisable to seek medical attention if a thyroid problem is suspected. Taking right kind of hormone replacement therapies will resolve the problem in a very positive manner.