Show:
Infection controll
Properties of hair and scalp
Bonds
Chemical texture services
Extra review
100

what is round shaped bacteria

Cocci

100

What is the scientific study of hair and its diseases and care

Trichology

100

What bond is effected by change of pH

Salt bond

100

What are the types of Hydroxide Relaxers?



  • Metal Hydroxide relaxers

  • Lye Based relaxers

  • No Lye Relaxers

100

What is a fibrous protein found in hair and skin

Keratin

200

What is the difference between cleaning and staralizing 

Sterilizing is completely destroying microbes, and cleaning is scrubbing with soap and water to remove debris.

200

What are the oil glands in the skin that are connected to the hair follicles

Sebaceous glands

200

What is wave pattern

refers to the shape of the hair strand

200

Why do permanent waves need to be neutralized?



  • Thio Neutralization stops the action of the waving solution and rebuilds the hair into its new curly form. 

200

What's the oil attracting head

Lipophilic

300

What are the 4 types of microorganisms?



Bacteria, viruses, fungi, and parasites. 

300

COHNS stands for

carbon, oxygen,hydrogen,nitrogen,sulfur

300

What are the two types of melanin

Pheomelanin, Eumelanin

300

What's the difference between an alkaline wave and a true acid wave?



  • Alkaline waves have a PH between 9.0 and 9.6.

  • True acid waves have a PH between 4.5 and 7

  •  True acid waves process more slowly than alkaline waves, and do not usually produce as firm a curl as alkaline waves.




300

What is the technical term for grey hair

Canities

400

What does EPA stand for



Environmental protection agency

400

Proteins are made of long chains of...

Amino acids

400

What chemical bond must be broken in order to get a perm or relaxer service?



Disulfide

400

What is the pH of a neutral solution 



7

400

How many phases are in the hair hair cycle 

3

500

What is the difference between pathogenic and nonpathogenic bacteria

Pathogenic-disease cause

Nonpathogenic-Harmless

500
3 layers of the hair shaft are ____,_____, and _____

Cuticle,cortex,medulla

500

What is a long chain of amino acids Linked by peptide bonds

polypeptide chains

500

What is a two step process whereby the hair undergoes a physical change caused by wrapping the hair on perm rods

Permanent waving

500

What are the percentages of COHNS

c-51

o-21

h-6

n-17

s-5