What Is The Basic Structure Of The Hair And Skin? Hair has two separate structures – the follicle (root) in the skin and the shaft we see. The shaft is made up of dead, hard protein called keratin. The shape of the hair shaft determines whether the hair is curly, wavy or straight. Below the
What Are The Three Major Types Of Hair Analysis? Forensic scientists perform 3 major types of hair analysis: (1) testing the hair shaft for drugs or nutritional deficiencies in a person’s system, (2) analyzing DNA collected from the root of the hair, and (3) viewing hair under a microscope to determine if it’s from a
Can The Racial Origin Of Hair Always Be Identified? Can the racial origin of hair always be identified? Characteristics within these regions are used to determine whether the hair is human or animal, racial origin and body area. A microscopic hair examination can also determine if a hair was forcibly removed, artificially treated or diseased.