Scalp & Hair Analysis
What are the three hair textures.
Fine, Medium, Course
Define wave pattern
The amount of movement or shape of a hair strand.
What is the outer most layer of the hair.
the hair cuticle
What are the three phases of the hair growth cycle?
The anagen, catagen, and the telogen phase
Hair is approximately __% protein?
90%
Which texture hair the largest diameter?
Coarse hair
What shaped cross section has a straight wave pattern?
circle
What are the two parts of a strand of human hair?
Root and shaft
What is the growth phase of the hair?
The anagen phase.
How many hair follicles are contained on the average head?
(closest gets points)
Over 100,000
What hair color tends to have the highest density
Blonde
True or false: Hormones can have an affect on your wave pattern
true
Where is the hair bulb located?
At the base of the hair follicle.
What is the phase in the hair growth cycle where the hair can shed?
The telogen phase
what system is the hair, skin, nails, and glands a part of?
Integumentary system
Define low porosity hair.
Very healthy cuticle where the scale lies flat.
What is the wave pattern of a elliptical shaped cross section?
Very curly
What three parts is the hair shaft composed of?
Cortex, hair cuticle, and medulla
Which is the phase where the hair enters a brief transition period between the hair follicles growth and resting phases?
The catagen phase
About __% of the total skin is covered in hair.
95%
Hair with low elasticity may...
Feel brittle, break easily, and not be able to curl.
Why is curly hair more hydrated then straight hair?
Curly hair has follicles that curl as they grow, so it's harder for the scalp's natural moisturizing oils to move down the shaft and provide hydration
Which parts of hair are living portions of the hair that are below the skin?
The hair bulb, the hair follicle, and the dermal papilla.
What kind of hair is short, fine and covers a fetus?
Lanugo
What can cause dry hair and scalp?
inactive sebaceus glands.