Hair
Which is the primary reason cosmetologist need to understand the properties of hair and scalp
Cosmetologists are responsible for protecting their clients’ hair and scalp.
What is the nonliving portion of hair
the Hair Shaft
A client’s hair is extremely curly. What is likely to be the shape of the cross-section of the hair follicles?
elliptical
What hair grows in a circular pattern.
Whorl
The study of hair is called _____.
trichology
Which hair type is most likely to have a medulla?
coarse hair
What type of hair may process faster than others?
Fine Hair
Which type of hair is often referred to as peach fuzz?
vellus
The part of the hair that is located above the epidermis is the __________.
shaft
Which part of the hair shaft plays an important role during chemical services?
hair cuticle
If you can see the scalp, the hair _____ is thin.
density
In which phase(s) of the hair cycle does hair grow?
anagen
What does the dermal papilla do?
It supplies the nutrients that hair needs to grow.
Hair is approximately 90 percent _____.
protein
What type of porosity id cause by overprocessing
High porosity
In what phase does hair shed?
Telogen Phase
What is the function of the hair bulb?
It contains cells that form the hair strand.
Which type of bond is an end bond?
peptide
A client’s hair is brittle and breaks easily. What can you do when providing a service to protect the hair?
Use a lower-pH solution to minimize further damage to the hair.
Your 52-year old client is letting the hair grow out. Growth hasn’t occurred in 6 months. What should you advise this client?
The hair will grow; it just may take longer because the client is older than 50.