perms 1
why should cosmetologists study chemical texture services?
Cosmetologists need to know who to perform services safely, and to know chemical services have the potential to damage hair
The process which hydroxide relaxers permanently straighten the hair by removing a sulfur atom from a disulfide bond and converting it into a lathionine bond
what strength of relaxer should you use on a client with brown hair with wavy texture
regular strength relaxers
What uses reduction and oxidation to break disulfide bonds and reforms them to a relaxed hair texture
thio relaxers
where do you begin a virgin relaxer service
mineshaft
____ is a two step process to create body or curl in the hair
permanent waving
when does the most processing occur after the hairshaft is penetrated
5-10
if a perm is properly processed, what is the precent of disulfide bonds that are broken and rebuilt
50 percent
base direction
how long before a chemical service should you perform a patch test on your client
at least 2 days
__thin papers that control the hairs ends before you wrap
end wraps
most common rod types
concave rods
I produce heat from a chemical reaction that heats up the waving solution
exothermic waves
if the start of the strand is straight, and the ends are curly the hair is....
under processed hair
I am concave or straight, I am determined by diameter and length/width
perm rods
the wrapping technique that wraps the hair from the ends toward the scalp in overlapping concentric layers
the croquignole wrap technique
I am the active ingredient in a alkaline perm
ammonium thioglycolate
I'm from the hood, I heat up. conventionally
endothermic wave
how long should you wait to perform an oxidative hair color service after a perm service
at least 2 weeks
I am a subsection of panels into which hair is divided
base sections
I provide most hair textures with silky smooth and shiny frizz free results for up to 12 weeks
keratin treatment
I am known as a cold wave I was developed in 1941
alkaline waves
identify a characteristic of over-processed hair
curly at the scalp, but straight at the ends
I can lighten hair color if
not rinsed properly
hydrogen peroxide in the neutralizer can react with waving lotion
on, half, off
180,90,45
base placement