Hair
color 1
color 1
Hair color does not reach this layer of hair
What is medulla?
Coloring matter that provides the natural color of the hair and skin?
what is melanin?
Middle layer of hair that contains melanin and keratin?
what is cortex?
First time hair color application
What is virgin?
Applying a small amount of hair color on the skin to check for allergic reaction
What is predisposition?
Visible line that between two different hair colors
What is line of demarcation?
No chemical mixing or reaction take place with this color
what is non-oxidative?
Hair color that deposits and or lightens in the cortex
What is permanent hair color?
A gradual or slowing down of melanin in the cortex
What is canities?
Has Physical and chemical properties and exist as solid, liquid, or gas
What is matter?
Chemical change that results in long lasting color
What is oxidative?
Non-professional hair color that contains metal, that builds up on the hair.
What is metallic dye?
chemical reaction that releases oxygen and develops color
What is oxidation?
Matter made up of the same type of particles with the same definite physical and chemical properties
What is pure substances?
two or more atoms joined together that helps dye penetrate into the cortex, or cuticle, changing hair color
What is molecules?
Simplest form of matter that cannot be broken down into a simpler substance
What is element?
Neutral particles located in the atom
What is neutron
Negative charge particles that located around the atom' nucleus
What is electrons
Uncolored Dye precursors found in permanent hair color
What is Aniline Derivatives?
When Formulating a hair color that is lighter then the natural hair color, always consider
What is undertone?
Used to neutralize acids or raise the Ph and use because they create less order
What is alkanolamines?
Alkaline solutions do what to the hair
What is Soften and swells hair?
Acidic solutions
what is contains more hydrogen ions, contract and harden hair and taste sour
Particles in an atom that has a positive charge
What is a proton?
Atom or group of atoms that connect to form compounds to create stability
What is ions?