properties of hair and scalp
the scientific study of the hair, its diseases, and its care is?
trichology
through the use of color in a hair design, you can create?
illusion of more or less volume
the effectiveness of surfactants is due to?
the surfactant molecules
the area between the apex and the back of the parietal ridge?
crown
3 parts of a pin curl are?
base, stem, circle
phase of hair growth that lasts the shortest amount of time?
catagen stage
when choosing a new hair color, one of the considerations is?
client's skin tone
clarifying shampoos contain acidic ingredients that?
cut through product buildup
when you elevate the hair below 90 degrees you are?
building weight
a c shape will result in the hair with _____ turns wound around the roller?
one turn
the hair root is contained in a tube- like depression, or pocket, in the skin known as?
follicle
use of repeating lines, whether straight or curved creates?
more interest in the design
the texture and structure of the hair are controlled by
heredity, health and diet
when you use over direction to create length or weight increase in a haircut you use a?
stationary guide
do not use____ when pressing short hair at the temples and back of the neck.
high heat
the blood and nerve supply that provides nutrients needed for the hair growth are contained in?
dermal papilla
use of curved lines in hair design can be used to?
soften a design
most conditioners contain?
humectants
characteristics that determine the behavior of hair?
density, texture, wave, hairlines and growth patterns
what are other terms for back brushing?
teasing, ratting, matting and french lacing
main structures associated with the hair root are?
follicle, bulb and dermal papilla
ornamentation is the method of creating?
emphasis
during a dandruff treatment, an effective therapy is?
high- frequency current
tilting the client's head forward while cutting a blunt cut will result in?
a slight graduation of the line
fishhooks are caused by?
hair ends protrude from the irons