👉 Docynia is a disease characterized by the loss of hair, typically in the scalp and on the face, due to excessive shedding or a genetic disorder affecting the hair follicles. This condition can be caused by various factors such as hormonal imbalances, genetics, or environmental exposure, leading to an imbalance in the levels of sebaceous glands, which produce sebum, the oil that coats the scalp and causes hair loss.