keratinWhat are your finger nails made of?
The same thing your hair is made of dead cells,and collagen as the cells die your hair and nails grow.What are your finger nails made of?
dead protein.. same as your hair
It is made up of nail baby. HA HA HA . Ok it is made up of Keratin protein.
i dont know but did you know the same stuff that your finger nails are made out as fly poop!
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