Why is some hair curly and some hair straight ?
Hair is curly or straight , depending upon the bonds between the hair protein .
The greater the number of links, the curlier the hair and the fewer the bonds, the straighter the hair.
People can temporarily alter their hair to force it into a straight state or curly state. But it is only temporary not permanent.
Hair is curly or straight , depending upon the bonds between the hair protein .
The greater the number of links, the curlier the hair and the fewer the bonds, the straighter the hair.
People can temporarily alter their hair to force it into a straight state or curly state. But it is only temporary not permanent.
