Chemistry
The pH scale measures these two things
What are acidity and alkalinity?
These are the three phases of the hair growth cycle
What are anagen, catagen, and telogen?
This hair texture has melanin granules that are grouped more tightly together, resulting in hair that can take color faster and/or appear darker
What is fine hair?
This pin curl technique creates a no-stem curl
What is an on base curl?
This is the watery fluid that the nucleus needs for growth, reproduction, and self-repair
What is cytoplasm?
These substances dissolve solutes to make solutions
What are solvents?
This is what approximately 90% of the hair is made up of
What is protein?
This type of melanin is found in brown and black hair color
What is eumelanin?
This product will reduce both heat damage and drying time when used prior to a blowdry service
What is heat protectant?
This is the connection between two or more bones of the skeleton
What is a joint?
This is what substances that are capable of igniting and burning are called
What are combustibles?
This refers to the number of hairs per square inch
What is density?
This primary color makes other colors appear lighter and brighter when it is added to them
What is yellow?
This refers to whether the hair is straight, wavy, curly, or coily
What is hair pattern?
This is the scalp muscle responsible for drawing the scalp forward and raising the eyebrows
What is the frontalis muscle?
This is how many categories that SDSs are formatted into
What is 16?
A medulla is most likely to be found in this hair type
What is coarse hair?
Yellow blonde hair can be corrected to a neutral blonde by adding this color
What is violet?
These two things can happen if hair is braided while wet, which is why it is recommended to braid dry hair
What are shrinkage and tension?
These nerves carry impulses from the brain to the muscles or glands, and the transmitted impulses produce movement
What are motor nerves?
An oxidizing agent does this to oxygen
What is releases?
This contains cells that form the hair strand
What is the hair bulb?
These two types of hair color are considered non-oxidative
What are temporary and semipermanent colors?
This face shape benefits from styles with height at the crown
What is a round face shape?
This joins the dermis and the epidermis
What is the dermal-epidermal junction?