Hair
Tough Exterior Layer of the Hair
Cuticle
A properly processed permanent wave should break and rebuild approximately _____ percent of the hair's disulfide bonds.
50%
(T/F) No-base relaxers also require the use of base cream
True
What is used to protect the skin and scalp during hair relaxing?
Base Cream
The strongest of the primary colors that also brings depth to any color is:
Blue
Natural pH of the Hair
4.5 and 5.5
(T/F) A preliminary test curl can tell If the client allergic to any of the products that will be used?
Also known as lye, and is the active ingredient in lye relaxers
Sodium hydroxide
chemical reaction is one that absorbs heat from its surroundings
Endothermic
Hair that has the largest diameter and usually requires more processing time is:
Coarse
Texture services can be used to:
curl straight hair, straighten overly curly hair, or loosen tightly curled hair
Which method of wrapping provides the most control over the hair ends?
double flat wrap
What is the active ingredient in all hydroxide relaxers?
hydroxide ions
The basic permanent wrap is also known as a:
Straight set wrap
Research has determined that dandruff is the result of a fungus called:
malassezia
The _______ is responsible for the strength and elasticity of human hair
Cortex
Which wrapping pattern uses pie-shaped base sections?
curvature permanent wrap
For _____ placement, the hair is wrapped at a 45-degree angle beyond perpendicular to its base section, and the rod is positioned on its base.
On Base
a thio-based chemical service that reformats curly and wavy hair into looser and larger curls and waves.
soft curl permanent
The first spa pedicure system was introduced to the professional beauty industry by Creative Nail Design in which year?
1998
Disulfide bonds account for about _____ of the hair's overall strength.
1/3
The reduction reaction in permanent waving is due to the:
addition of hydrogen
How long do you have for Stateboard set up for chemical texture services?
10min
Compounds consisting of carbon, oxygen, hydrogen, nitrogen, and sulfur are:
Amino acids
Modern antidandruff shampoos, conditioners, and topical lotions contain _____ agents.
Antifungal