Curling Iron
A science that deals with hair, it's structure, diseases and treatments.
What is trichology?
Hair is divided into 2 parts, the _______ and the ________.
What is the root and shaft?
The hair root is located here.
What is below the skin?
The hair shaft is located here.
What is above the skin surface?
Proper nutrition of proteins, good blood circulation and good hygiene is required for this.
What is hair health?
The follicle, bulb, dermal papilla, sebaceous glands and arrector pili muscle are structures of this.
What is the hair root?
The hair shaft is made up of these 3 parts.
What are the cuticle, cortex , medulla?
The outer most layer of the hair shaft is this.
What is the cuticle?
The cuticle determines the hair's ___________.
What is porosity?
Open scales (all the way) means the hair is this.
What is porous?
When the scales are closed the hair has this.
What is poor porosity?
The middle layer is called the ___________
What is the cortex?
All of these processes take place in the cortex.
What is chemical?
Protein Keratin and melanin pigment is found here.
What is the cortex?
The inner most layer of the hair shaft is the ________
What is the medulla?
Name the 3 side bonds.
What are hydrogen, disulfide, are salt?
The salt bonds are broken by ____________
What is pH change?
Disulfide bonds are broken by these two things.
What are perms and relaxers?
Hair pigment is called this.
What is melanin?
This melanin is responsible for brown and black color
What is natural?
This melanin is responsible for yellow and red color
What is pheomelanin?
A combination of eumelanin and pheomelanin is called.
What is natural hair color?
This hair does not have melanin
What is gray?
Name the two types of melanin (pigment)
What are eumelanin and pheomelanin?
Hair, skin and nails belong to the __________ system.
What is trichology?