Safety and Disinfection
What is SDS and OSHA an acronym for?
Safety Data Sheet
Occupational Safety and Health Administration
PH is an acronym for:
Potential Hydrogen
What are the three side bonds and how are they broken and repaired?
Hydrogen bond- broken by water and heat. Repaired when dried or cooled.
Disulfide bond- broken by chemical. Can never be fully repaired.
what are the three chemical straightening processes?
Keratin Smoothing
Chemical relaxing
Soft Curl Reformation
How do we properly drape for a chemical service?
neck strip
towel
cape
towel
Relaxers fall between this range (these numbers) on the ph scale.
11.5-13.5
What are the three types of rod/roller base placements and what results do they produce?
On base- maximum volume
Half-off base- Medium volume
Off base- minimal volume
What is the difference between and prelimary strand test and a processing strand test?
preliminary is done before service
processing is done during processing
Misuse or Overexposure to a chemical could result in this
Occupational Disease
The Ph scale ranges from these set of numbers
0-14
The breaking of the disulfide bond is also known as
Reduction
What bond is permanently broken during the chemical relaxing process?
disulfide bond
Why should chemicals be used immediately and excess be disposed of?
use immediately to maintain strength and potency, dispose of excess because contaminated product cannot be used on a future guest.
The normal PH of hair is:
4.5-5.5
The three parts of the curl
Base
Stem
Curl/Circle
Walk me through the steps of a Soft Curl Reformation
base
apply thio relaxer
Remove product from hair
Do perm rod set
apply protective cream and cotton
apply perm solution
let sit with cap for 10-15 minutes
perform a test curl
rinse with rods
blot dry
reapply cotton
apply neutralizing solution
let sit with cap for 5 minutes
rinse throughly with rods
take rods out
shampoo, condition, style
What is the difference between a base cream and a protective cream
base cream is used to prep for a relaxer service
protective cream is used around the hairline to prep for a perm
Hair falls on what side of the PH scale? (Neutral, alkaline, acidic)
Acidic
Name five perm wrapping methods
Bricklay
Weave
Curvature
Spiral
9 Block
What do we look for in a hair analysis? How is each step defined?
Porosity- Ability to absorb moisture
Elasticity- Ability to stretch and return without breaking
Texture- Diameter of the hair strand
Density - amount of hair per square inch