Creatine and cystine, both are amino acids. That is why certain protein supplements or a diet hign in eggs tend to make your hair grow and have a nice shine. Works for cats and dogs too ( smile)
2006-12-25 05:22:01
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answer #1
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answered by lsparamus 1
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Keratin, the stuff your hair and nails are made of.
It is excess protein molecules given from your body.
2006-12-25 12:51:49
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answer #2
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answered by denh 4
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same thing Ur hair and finger nails are made up of.
2006-12-25 17:13:18
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answer #3
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answered by Anonymous
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Protein. It's natures version of plastic. And I like them best when polished.
2006-12-25 12:57:00
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answer #4
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answered by Chic 6
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Like your fingernails, toenails are made from excreted proteins and other substances.
2006-12-25 12:56:48
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answer #5
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answered by banananose_89117 7
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Petrified toe jam.
2006-12-25 12:55:40
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answer #6
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answered by Snaglefritz 7
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human nails have the same substance as bird's beak
2006-12-25 12:59:29
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answer #7
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answered by myprivatespace19 1
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they are made of hair and protein i believe
2006-12-25 12:50:44
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answer #8
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answered by martinf430 3
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hmm...im not sure but its probally just particles of nail.
2006-12-25 12:50:23
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answer #9
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answered by Anonymous
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keratin. same stuff as ur hair and horse feet.
2006-12-25 12:56:17
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answer #10
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answered by ♥ ♫ lauren ♫ ♥ 5
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