The basic structure of haor and nails is KERATIN.
protein
o2
nails or your hair
Both are made from a structural protein called Keratin.
your nails and hair
your moms chest hair
Selenium is important for hair and nails.
Flaxseed oil is said to promote the growth of healthy nails and hair. What it does is nourishes the hair and nails to prevent brittle nails and split ends.
There no nerves in the hair and nails
There no nerves in the hair and nails
hair grows twice as fast as nails
The integumentary system includes the hair, nails, and skin.