Hair grows everywhere on the human skin except on the palms of our hands and the soles of our feet, but many hairs are so fine, that they’re virtually invisible. Hair is made up of a protein called keratin, which is produced from the…
Hair grows everywhere on the human skin except on the palms of our hands and the soles of our feet, but many hairs are so fine, that they’re virtually invisible. Hair is made up of a protein called keratin, which is produced from the…