the hair is composed cheifly of
keratin
the oily substance secreted from the oil glands is called
sebum
________ is another name for dandruff
pityrasis
______ is the largest organ of the human body
skin
the three phases of hair growth are
anagen, catagen, and telegen
the club-shaped structure that forms the lower part of the hair root is
bulb
the cuticles scalelike cells protect the
inner structure of the hair
________ may be spread in the salon by unclean hands
disease
_________ is the science that deals with healthful living
hygiene
hair grows approximately
1/2 inch per month
the papilla is located at the
bottom of the follicle
hair pigment is found in the
cortex layer
_________ is applied after removing blackheads
antiseptic
the innermost layer of the hair is referred to as the pith or marrow is
medulla
at any one time _________ of our hair is growing
90%
the small involuntary muscle attached to the underside of the hair follicle is known as
arrector pili
________ bacteria produces disease
pathogenic
_______ is the medical term for ringworm
tinea
the natural color of hair, its strength, and its texture depends mainly on
heredity
hair continues to grow for a period of
2-6 years
oil glands are also known as
sebaceous glads
_________ may enter the body through broken skin
bacteria
________ is recommended for oily skin
facial pack
a person born with the absence of coloring matter in the hair shaft and no marked pigment coloring in the skin or irises of the eye is an
albino
hair texture refers to the hairs
degree of course or finess