Hair protein, Protein in hair and nails

Now we are looking on the crossword clue: Hair protein, Protein in hair and nails.
it’s A 39 letters crossword puzzle definition. See the possibilities below.

Did you find what you needed?

We hope you did!. If you are still unsure with some definitions, don’t hesitate to search them here with our crossword puzzle solver.

Possible Answers: KERATIN.