This is the technical term for gray hair
What is canities
This is a major funtcion of the suderiferous gland
What is regulation
inorganic chemistry is the study of substances that do not contain this
What is carbon
This is another term for germ or bacteria
What is microbe
This is the degree of lightness and darkness
What is value
This location of the hair is the site of nourishment
What is the papilla
The subcutaneous layer of skin is made mostly of this
What is adipose or fatty tissue
This is the primary ingredient in most shampoos
What is deionized water
Bacterial cells that are harmless or beneficial are known as this
What is non-pathogenic
Complementary colors on the color wheel do this
What is neutralize/cancel/mute each other
in this phase, mitosis stops
What is catagen
This is known as the true skin
What is the dermis
These elements describe the composition of hair
What are protein and moisture
Bacteria produce by way of this
What is binary fission
The is the predominant tone in artificial hair color
What is the base color
These two types of pigment determine hair color
What are eumelanin, pheomelanin
Other than produce sebum, this is a major function of the sebaceous gland
What is mix with sweat to form the acid mantle
Water freezing and turning to ice describes what type change
What is physical
The common cold is caused by this
What is filterable virus
Red hair has a dense concentration of this pigment
What is pheomelanin
As cells journey up the follicle, they mature in this process
What is keratinization
This order identifies the layers of skin and fat from the outermost to the innermost
What are epidermis, dermis, and subcutaneous tissue
When water contains salts of calcium/minerals, and heavy metals, it is said to be this
What is hard water
This is the highest level of infection control
What is sterilization
Temporary hair color do not penetrate the cuticle layer because of these
What are large pigment molecules