Fingernails can split for various reasons. Onychoschizia is a common condition that causes horizontal splits within the nail plate. The condition is sometimes accompanied by onychorrhexis, a condition that causes long-wi... More »

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To repair a split fingernail, clean it, apply nail glue, buff the nail, and clean the surrounding skin with acetone. The required supplies include acetone, cotton swabs, nail glue, an orange stick and cotton balls. More »

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Split fingernails, known as onychoschizia or lamellar dystrophy, are caused by frequent wetting and drying of the hands, exposure to cosmetics and chemicals, injury or malnutrition. According to Skinsight, people whose p... More »

Discolored fingernails can be a symptom of a fungal infection. There are also a few disorders that can cause nail discoloration, as noted by MedicineNet. More »

Fingernails are made of multiple layers of a strong material called keratin. Keratin is a protective protein produced by the body. It consists of proteins that form filaments and enzymes. More »

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Lemon juice, whitening toothpaste, hydrogen peroxide with baking soda, denture cleaning tablets, and tea tree oil can whiten fingernails. There are many reasons why fingernails are not as white over time. Nail polish is ... More »

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Dented fingernails are usually caused by an underlying health conditions, such as psoriasis, eczema, alopecia areata and Reiter Syndrome. These diseases affect the growth of the nail in the nail matrix or cause a loss of... More »