This is the highest area of the head.
What is the apex?
A solid is defined as this.
What is matter with definite weight, volume, and shape?
This is considered the most soothing massage movement.
What is effleurage?
This is the term for a coloring technique that lightens isolated strands by weaving or slicing.
What is highlighting?
This is the technical term for gray hair.
What is canities?
This is the bone that protrudes at the base of the scalp.
What is the occipital?
In chemistry, pH is defined as this.
What is potential Hydrogen?
This is the pressing, kneading massage movement.
What is petrissage?
Overlapping lightener during a retouch service could cause this.
What is breakage?
These products have more positively charged ions.
What is acid?
This is the widest area of the head (known as the crest) from the temples around the head from the crown to the occipital bone.
What is the parietal?
This is the smallest complete unit of an element.
What is an atom?
This is the tube-like structure the hair comes up through and determines the hair shape.
What is the follicle?
Demi-permanent colors are NOT designed to lift this.
What is existing natural hair color?
The vividness, brightness or saturation of a color is referred to as this.
What is intensity?
What is keratin?
All disinfectants must be registered with this agency.
What is the EPA?
An obvious difference between two colors along a hair strand is called this
What is a line of demarcation?
If your cosmetology license expires, you must do this to renew it.
What is pay a fee?
This is the medical term for dry dandruff.
What is pityriasis capitis simplex?
The most accurate method of measuring pH is with this instrument.
What is a pH meter?
Permanent color (aniline derivative) tints must be mixed with this.
What is developer/hydrogen peroxide?
In order to become active, a developer needs to be mixed with ammonia or this.
What are alkaline compounds?
This length of time is usually the shelf life of hydrogen peroxide?.
What is three years?