The causes of split nails, or onychoschizia, include acute dryness, vitamin deficiency and chemical exposure. Cleaning chemicals or overuse of nail polish remover can cause the nails to become brittle. There are ways to ... More » Beauty & Fashion Nail Care

Nails ridges are a symptom of iron deficiency, according to Everyday Health. People need iron in their blood to form hemoglobin, a protein that transports oxygen to the body's tissues, states Healthline. Iron deficiency ... More » Health Pain & Symptoms

Trauma to the nail causes peeling nails, according to Healthline. The source of the trauma to the nail may be from internal or external factors. More » Health Pain & Symptoms

Dry, flaking or peeling nails can be caused by a variety of both external and internal reasons, including trauma to the nail or a vitamin deficiency. It can also be caused by excess moisture, the application of false nai... More » Beauty & Fashion Nail Care

Remedies for split fingernails include keeping nails clipped, using lotion after washing hands, using mild soaps, wearing gloves when necessary and avoiding the overuse of nail polish remover, notes How Stuff Works. It c... More »

There are several home remedies for split fingernails, most of which are focused on preventing new split nails from forming. The key to treating split fingernails at home is moisturizing and strengthening nails so that t... More » Beauty & Fashion Nail Care

One effective home remedy for split nails is to soak the nails in water for 15 minutes per day, according to Skinsight. Another effective home remedy for split nails is to apply petroleum jelly to the affected area. More » Beauty & Fashion Nail Care