the hairs ability to absorb moisture
porosity
makes up to 80% of the hairs strength
cortex
practice of cutting hair in the natural shape of the head to create rounded shape
convex layer
underlying pigment of a level 5
red
chemical reaction that releases heat
exothermic reaction
the outer layer of the hair shaft
cuticle
shorter in the interior and longer in the exterior
concave layers
the opposite color on the color wheel of yellow
violet
overdirect hair at a 90-degree angle for maximum volume
on base
serves no purpose in hair coloring
medulla
this geometric shape should be cut from the front first
round shape
there are 3 primary colors
red yellow blue
an attachment that broadens airflow
diffuser
provides the epidermis with nutrients
papillary layer
has the least control over horizontal dimension
verticle section
the level chart scale consists of what
1-10 1 being the darkest 10 being the lightest
fine, medium, coarse
texture
produces sebum
sebaceous gland
has most control over the horizontal dimension
horizontal section
liquid developer is applied with
bottle application