Test 3 Flashcards
Anything that occupies space and has weight is called
Matter
Matter with weight and volume but no define shape Is called a
Liquid
Oxygen and hydrogen combining to for water is the example of a
Chemical change
What makes up the primary composition of hair
Keratin makes up 97%
What forms amino acids
Carbon, oxygen,hydrogen and nitrogen hold hair together like chains
What does pH stand for
Potential hydrogen
If a solution has more hydrogen ions it is
Acidic
A If a solution has less hydrogen ions it is
Alkaline
What is trichilogy
The study of hair
What is the main purpose of hair
Adornment and and protection of heat, cold and injury
What part of the hair is actually alive
The hair bulb
What part does hair grow out of
The root sheath
What do the shape of hair follicles decide
The pattern of your hair
What is hair fibers
Everything u see in the mirror
What is the pH for hair
4.5-5.5
What does the papilla do
It feeds the Germal matrix
What happens in the germal matrix
Where cell division happens and where keratin is created to make the three layers of hair
What are the three layers of hair
Medulla, cortex and cuticle
What does the cortex do
Has the pigment of your hair and is what is your elasticity
What does the cuticle do
Protects the hair/ cortex and is transparent
What is density
The amount of hair follicles per square inch on they scalp
What is porosity
The hairs ability to absorb moisture and chemicals
What effects the hair
Genes, environment, products and appliances
What is elasticity
The hairs ability to stretch and go back to its original state
How much should hair stretch when wet
50%
How much should hair stretch when dry
20%
What do shampoos do
Clean scalp and remove foreign matter without effecting pH
Is the first ingredient listed what is in there the most
True or false
True
What does daily care cause
Chemical and mechanical damage
What is hair composition changed by
Perm and colour services
Environment and alkaline products can also
Effect hair condition
Explain rinse
Left for short period of time, doesn’t penetrate cortext
Explain Conditioner
Left on for longer could penetrate cortex and repair hair
What is a subjective symptom
Something u can feel
Ex. Itchiness
What is a objective symptom
What you can see
Ex. Bumps
What is chronic
A habitual and frequent
What is acute
Brief and severe
What is a seasonal disease
An influence from the weather
Hair grows from a root sheath or a
Follicle
What prevents hair from getting to dry
Sebum
How much hair does an average person loose a day
40-100
The loss of pigment in someone’s hair is called
Acquired cantites
Exceeding sliver flaking of the scalp is known as dandruff or
Psoriasis
Short fine non pigmented hair found on woman is called
Vellus
What is alopecia areata
Auto immune disease that makes u loose hair in round patches or irregular patches due to stress or drugs
What is just alopecia
Excessive hair loss
Caused by fungal or infection
In both men woman
Androgenetic alopecia
Progressive shrinking
Most common one
Makes guys go bald
What is psoriasis
Thic crusty patches or red irritated scalp
What is pityriasis
Dandruff , excessive flaking and irritation
What is eczema
Dry moist lesions
Follicasulitus
Razor burns and clothing irritation
Total lack of pigment in the hair is called
Albinism
What is it called when amino acids join together in chains
Proteins
Eumelanin produces which colour
Brown or black
Oh pH scale numbers higher than 7 indicate
Alkaline
What is the portion of hair that extends above the skins surface
The hair fibre
Most accurate way to measure pH is
pH meter
Which binds can be easily broke by water or heat
Hydrogen bonds
What bind is the most concern to a salon prof
Disulfide bonds
Human hair grows
1.25
Cm
A mixture of secretions from sebaceous gland and perspiration is called the
Acid mantle
A papule is an example of a
Primary skin lesion
Amino acids r linked together by
Side bonds
Phelommrlanin creates what colour
Red and yellow
