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Identify the technical term for the study of hair?
Trichology
List the structures of the hair root
Hair follicle, Hair bulb, Dermal papilla, Sebaceous gland, Arrector pili
Identify the layers of the hair shaft
Cuticle, cortex, medulla
What are amino acids?
The protein in human hair
What does COHNS stand for?
Carbon, Oxygen ,Hydrogen, Nitrogen, Sulfur
What bonds are the weakest and broken with water or heat?
hydrogen bonds
What bonds are the strongest and are broken with chemicals?
disulfide bonds
What approximant % of protein is hair made up of?
91%
What layer of the hair shaft is the melanin found?
Cortex
What is the technical term for hair that is black and brown?
Eumelanin
What is the technical term for hair that is blonde, ginger, red
Pheomelanin
The hair that refers to the amount of movement in the hair stand and is described as straight, wavy, curly, and extremely curly
Thewave pattern
List the side bonds in the hair?
hydrogen, salt, disulfide
The cuticle layer does what for the hair?
protects the inner structurer of the hair and gives it shine
What type of hair does not have a medulla?
fine hair and blondes
