Chemical Texture Services
What are chemical texture services?
services that use chemicals to change straight or wavy hair into curly hair
The scalp should be examined for
cuts, scratches, open sores, scalp disease
What are rods used for?
Perming
What do perm wraps begin with?
What is underprocessing?
when the hair has not been sufficiently softened to permit breaking
What services chemically change hair texture?
Permanent waving, Curl reformation, and Hair relaxing
The hair analysis includes observing and the determining the hair's:
porosity, texture, elasticity, density, length, and direction of growth
What does the diameter of the rod control?
the size of the curl
How many base placements are there?
three: on-base, half off-base, off-base
what are the two most common types of relaxers?
Thio and Hydroxide relaxers
What is chemical hair relaxing?
How does hair texture affect chemical texturizing services?
depending on the diameter of the hair it may take longer or less time to process
What are the most commonly used perm rods?
Concave Rods
In _______ placement, the hair is projected about 45 degrees beyond perpendicular to its base section
on-base
What is a curl reformation also known as?
a soft-curl permanent
Define:
Exothermic waves create a chemical reaction that heats the solution and speeds up
Processing
What areas of the head are used to test porosity level?
What are the 4 types of rods?
Concave Rods, Straight Rods, Bender Rods, Circle Rods
What are two ways a spiral wrap can be accomplished?
from the hair ends towards the scalp or from the scalp toward the hair ends.
What are 2 ways neutralizers are rinsed from the hair?
with rods in place or after rods have been removed
The term used to describe the diameter of a single strand of hair is
Hair Texture
What are 3 layers that compose the hair?
Medulla, Cuticle, Cortex
Bookend wrap, Single flat, and double flat
A water wrap is _____
the action of wrapping the hair around rods when it is moist with water
What is the pH balance of the exothermic wave perm?
9.0 to 9.6