Like the hair the nail is made of keratin which is (hardened) protein.
The nail protein is much harder than the hair.
You can also use a nail strengthener on your nails to hardened and strengthen them.
because nail polish weakens ur nails and removes essential oils and makes them very soft and breakable..:D
Keratin... it's a natural substance that makes the nail harden.
there is a fluid in your blood that make hormones fizz and makes a hard nail coming from your nails!
The blood makes the color of your nail.
As hard as nails (usually about a person) As hard as diamond As hard as rock
When nailing a nail in to a board, one needs to ensure that they are hitting the nail hard enough to go in to the board, but not too hard as the nail will bend. One will quickly learn just how hard to hit a nail.
Acrylic resin is used in most nail polish. It dries hard and bright, but can crack or chip because it is a very thin layer.
It compares the the nail to how hard it is.
it is not hard because you can split the mineral
You rust a nail in either salt water or in vingar that what makes a nail rust
no.....
Very hard.