pH
What is the pH scales range in number form?
0-14
What are the primary colors?
Red, Blue, Yellow
What is Organic Chemistry?
Matter that contains carbon and is living or at one time was alive.
What is the medical term for grey hair?
Canities
What will determine if the hair color is absorbing and processing evenly.
Processing Strand Test
What is the pH range for alkaline?
7.1 - 14
Created by mixing 2 primary colors in equal proportions.
Protons are ______ charged.
Neutrons are _____ charged.
Electrons are _______ charged.
Positively
Neutral
Negatively
What produces yellow to red pigments in a hairstrand?
Pheomelanin
What is the proper draping for a haircolor service?
What is the pH range for neutral?
7
What are tertiary colors?
Created by mixing a primary color with the neighboring secondary color
Describe Combustion
Rapid oxidation of any substance, accompanied by the production of heat and light.
What produces black to brown pigment in the hairstrand?
Eumelanin
What does SDS stand for?
Safety Data Sheet
What is the pH range for acid
0 - 6.9
What is a complementary color?
Created when mixing a primary and secondary color located opposite of eachother on the colorwheel
What is matter? What are the 3 different states of matter?
Has mass and takes up space
1.Solid
2.Liquid
3.Gas
Describe the process of presoftening and what it is used for?
Presoftening increases the porosity of the hair - opening the cuticle, allowing for more pigment to be absorbed.
Use presoftening product or 20 vol developer and apply over hair , process and remove.
What is used to see if your client is allergic to haircolor?
Patch Test or Predisposition Test
BONUS IF BOTH SAID
What does pH stand for?
Potential Hydrogen
Name 3 warm toned colors and 3 cool toned colors
Warm- Red, Orange, Yellow
Cool- Blues, Greens, Purples
What is ammonia?
An organic compound of colorless gas with a strong, pungent odor. Composed of nitrogen and hydrogen
Name the 3 layers of a hair strand and describe what each one does.
Cuticle- outer protective covering
Cortex- Thick inner layer, made up of elongated cells that bond together tightly. *BONUS*Holds the melanin and keratin in a hair strand
Medulla- Deepest layer, has no role. Sometimes non existent
What is a Safety Data Sheet used for?
They explain the proper procedure in handling, working with, and storing chemicals in the workplace.