👉 Onychosis refers to a condition in which the skin of the feet and hands grows thickened, often due to excessive growth of hair. This condition can be caused by various factors such as genetics, hormonal changes, or excessive nail care practices. It is characterized by the appearance of thick, uneven skin on the soles of the feet and hands, which may also be accompanied by a burning sensation, itching, or pain when touched. The exact cause of onychosis is not fully understood,