Tough protein that makes the hair and nails

On our CodyCross answers based website we have the solution for Tough protein that makes the hair and nails. CodyCross game includes different missions and events which update daily so you can earn tokens that are mostly needed to help with answers for challenging clues. Now let's focus on the answer you need for Tough protein that makes the hair and nails by scrolling down which is part of CodyCross The 1920s Group Puzzle 15.

1. The first letter of the answer for Tough protein that makes the hair and nails puzzle is: K

K
 
 
 
 
 
 

2. The last letter of the answer for Tough protein that makes the hair and nails puzzle is: N

 
 
 
 
 
 
N

3. The answer to Tough protein that makes the hair and nails is:

K
E
R
A
T
I
N
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