Heavy metal poisoning is a result of the toxic accumulation of certain metals. Such metals compete with and replace certain essential minerals in the course of which any of several of the bodyâs organ systems may be affected.
Quick Answer. Eyelash loss occurs as a side effect of many conditions, including reactions to drugs, endocrine disorders, inflammations, metabolic abnormalities, skin diseases, systemic disease and trauma, according to the medical journal Seminars in Plastic Surgery. Additionally, some people are known to pull out their own eyelashes.
General Causes. Your doctor or dermatologist can help determine if there is a reason for the dark skin that requires treatment. Darkening of the skin of the eyelids may occur with the use of products that increase eyelash growth.