Nails are made out of keratin. Keratin is a tough, fibrous protein that also makes up hair, horns, claws, hooves and feathers. Forms of keratin may also be a component of the silk produced by spiders and caterpillars. More »

Nail polish remover is made with acetone or ethyl acetate. Acetone is harsher on nails and skin, but it can be used to remove artificial nails, which are usually made with acrylic, and is the only polish remover that can... More » Beauty & Fashion Nail Care Nail Polish

To tell if your nails are copper, check for magnetism and measure the nails' density. Clean the nails with table salt and vinegar to check if the nails changes color. More » Beauty & Fashion Nail Care

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 » Beauty & Fashion Nail Care

Toenails are made from keratin, a protein that contributes to nail, skin and hair health. To promote the growth of toenails, it is important to follow a nutritionally balanced diet, including foods that promote the produ... More » Beauty & Fashion Nail Care

According to the Toronto Star, fingernails that curve downward are sometimes called clubbed nails, a condition which is either congenital or a symptom of a developing condition, such as respiratory disease. Wikipedia not... More »

To create French tips on nails, apply a clear polish to the entire nail and once dried, use tape or nail guides to apply white polish to only the tips of the nails. A French manicure is easy to do at home with a salon qu... More » Beauty & Fashion Nail Care