How many sections are in a straight Back perm?
9
Wrapping the hair from ends to scalp horizontally? Vertically?
Croqinoke, (bad spelling but u get the pic)Spiral
What does perming solution do to the hair?
Softens and swells the hair, allows it to take the curl form.
What is the main ingredient in an alkaline perm?
GMTG
What determines the size of the curl produced from a perm?
Rod or tool used.
3 parts of a hair are?
Cortex, cuticle, medulla
When a perm works it breaks?
Disulfide bonds which are the strongest type of bonds
Salt bond
breaks by changes in pH
hydrogen bond
breaks by water and heat
disulfide bond
breaks by chemicals, perms, relaxers etc...
What type of hair takes longer to process?
Resistant, coarse
Define Exothermic
a perm that requires no outside heat source, activator and solution react and heats itself.
An acid perm may require heat from a dryer to process?
True
Which is stronger acid or alkaline perm?
alkaline
Describe how you know how to use what type of perm for each client.
Good consultation, medications, previous relaxers,elasticity
What is an end wrap? What is it used for? Give 3 ways to use them.
used to keep hair in place, book end, double flat,single flat, they are absorbent paper.
Cold wave perm with a pH 9.0-9.6 is ?
Alkaline wave perm
pH 4.5-7.0 active ingredient GMTG is?
Acid wave perm
pH 7.8-8.2 and has 3 components is?
Acid balanced wave perm
activated by an outside heat source,example- true acid wave
endothermic perm
heats up solution-has 3 component solution,activator and neutralizer.
exothermic perm
very little odor-uses alkalomines (AMP and REA)
ammonia free perm
reducing agent uses cystamine or mercurpatine instead of thio
thio free perm
body wave-uses sulfates,sulfites and bisulfites.
low pH perm
Most of the processing in a perm takes place with in 5-10 min, the additional time is allowing the polypeptide chains to rearrange
True
A sufficently processed perm should break how many disulfide bonds and rebuilds them as well?
50%
What does a neutralizer do?
rebuilds broken disulfide bonds and oxidizes hair by stopping the solution.
What are 5 different types of perm wraps?
Bricklay, basic perm, piggy back, single and double, halo