Cosmo Hair Colouring Test
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what is the universal level system
How light or dark natural hair colour is
What does RPC stand for
Remaining pigment contribution
from 1-10 name the colours of the universal level system
• Bleu red • Dark red • Red • Red/orange • Orange/red 6.Orange/ gold • Gold/Orange • Yellow/ Gold • Yellow • Pale yellow
3 types of hair color
-Temporary - washes out (hair chalk) -Semi- permanent - 4-6 weeks (toner) -Permanent- doesn’t wash out (bleach)
Single process peroxide levels
10 vol- deposit only (going darker) 20 vol- 1 level of lift 30 vol- 2 levels of lift 40 vol- 3 levels of lift
what are the 2 safety rules
patch test strand test
what is a patch test -where do you put it -for how long
determine if your client is allergic -behind ear or inside elbow -24 hours
what is a strand test
determine what color will look like
name the 6 color series
R= red G=gold C= Copper V= violet N= natural B= blue
what is double process
peroxide + Bleach
what are the 2 steps of double process
step 1= lift or lighten step 2= Tone (semi-permanent)
Double process peroxide levels
20vol = 4 levels of lift 30 vol= 5 levels of lift 40 vol= 6 levels of lift
what does NL stand for
Natural level
What does DL stand for
Desired leve
what does PPE stand for
personal protective equipment
name the personal protective equipment for both the stylist and client
Stylist: -Apron -Masks -Goggles -Gloves Client: -Smock/cape -towel
what are the warm tones on the color wheel
red orange yellow
what are the cool tones on the color wheel
violet blue green
what does “level of lift” mean?
Going lighter
processing time for regular hair
30 minutes
processing time for mature grey hair
45 minutes
which layer does chemical changes happen in
cortex
if you have red hair and want to neutralize it which color would you add
green
What are the two rules of RPC
use it or lose it