Properties of the Hair & Scalp

Red

100

the scientific study of Hair, its diseases,and its care

Trichology

200

Resting phase, 3-6 months 

Telogen Phase

300

gives hair its color, where most of the melanin is located. The middle layer of hair.

cortex

400

Abnormal hair loss

alopecia 

500

Polypeptide chains

Amino  Acids

Yellow

100

strongest Bond

Disulfide Bonds

200

Congenital or aquired

Canities

300

ability of hair to stretch and return to original length without breaking

Elasticity

400

growing phase, 3-5 years or longer

Anagen Phase

500

Split ends

Trichoptilosis

Blue

100

Disorders of the hair

Pityriasis,Malassezia, etc...

200

Transition phase, 1-2 weeks 

catagen phase

300

Tinea of any kind

Fungal Infections

400

short, fine, downy, unpigmented hair on the body

Vellus hair 

500

Folliculitis, carbuncle, or Furuncle

Bacterial Infections

Orange

100

ability of hair to absore moisture

Porosity

200

Coarse, Medium, and fine

texture

300

tube-like structure thats surrounds the root and Hair strand.

Hair follicle

400

scabies or head lice

Parasitic infection

500

flow/direction of the hair

stream

Purple

100

provides pigmentation

Melanin

200

Carbon, Oxygen, Hydrogen, Nitrogen, and Sulfur

COHNS

300

number of individual hairs on one square inch of hair

Density 

400

we lose about 70-80 strands of hair a day

False

500

maturing proces of living cells that originates within the hair follicle.

keratinization