hair and finger nails are made of a protien our body produces called keratin. hair is soft keratin, nails are hard keratin.What are your finger nails made of?
Its called keratin, and is the same material your hair is made of (which also just grows and grows - in case you hadn't noticed).
The same thing your teeth are made of..
They're a form of cartilage. Grandma's secret for healthy hair and nails was drinking unflavored ';Knox gelatin'; twice a day. Gelatin is made from ground up animal cartilage.
Calcium.
calcium
dead skin
Nails themselves are made of keratin (say: ker-uh-tin). This is the same substance your body uses to create hair and the top layer of your skin.
Keratin.
i think there made of calcium..who cares!! lol
for what its worth dead skin
Acrylic!
Keratin, the same stuff that your hair is made from (unless you where a wig).
keratin
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