L3 Hair Colour Correct Services Part 2 (questions 41-80). Please also complete Part 1 of this test (questions 1-40) as there may be over 80 questions in the actual test. Please allow 42 minutes for this revision test.
1
If hydrogen peroxide is mixed with a catalyst what chemical action will occur when applied to the hair?
a
Activation
b
Oxidation
c
Penetration
d
Neutralisation
2
From the list below, identify the process of oxidation of natural melanin from the darkest to the lightest:
a
Pheomelanin oxidises from brown to yellow with red pigment being the last to leave the hair
b
Eumelanin oxidises from darkest brown to brown and then to red and finally palest yellow
c
Eumelanin oxidises from brown to pale red to yellow
d
Eumelanin and Pheomelanin are both oxidised simultaneously leaving the hair pale yellow
3
What effect will using 20 volume 6% hydrogen peroxide have on the hair?
a
Assist the deposit of colour into the hair
b
Lighten hair 3 shades above a base 6
c
Lighten hair 4 shades above a base 6
d
Enhance a high lift tint
4
What strength hydrogen peroxide would you use if you required 4 shades of lift when using a high lift tint?
5
When should hair be pre-softened?
a
When the hair type requires the colour to enter the cortex of the hair
b
When the hair is resistant or coarse
c
When the hair is very dark coloured
d
When other products are on the hair
6
If the hair is not pre-pigmented, what could be the result with colour correction?
a
The hair could fall out
b
The hair could have green tones
c
The hair could become too porous
d
The hair could be too red
7
What effect does heat have when processing hair colour?
a
The heat will shorten the processing time
b
The heat will increase the processing time
c
The heat may cause staining of the scalp
d
The heat will improve hair condition
8
Applying heat when using colour correction products will:
a
Speed up the development time
b
Slow down the development time
c
Make the colour last longer
d
Reduce the life of the colour
9
20 volume peroxide is equal to a solution of:
10
Which of these solutions is 12% hydrogen peroxide equal to?
a
10 volume
b
20 volume
c
30 volume
d
40 volume
11
How is 20 volume strength hydrogen peroxide achieved from 40 volume strength?
a
Add 4 parts distilled water to 2 parts 40 volume hydrogen peroxide
b
Add 4 parts 40 volume hydrogen peroxide to 2 parts distilled water
c
Add 2 parts distilled water to 2 parts 40 volume hydrogen peroxide
d
Use 40 volume hydrogen peroxide with double quantity of colour
12
Which of the following colouring/lightening products has the highest pH value?
a
Hydrogen peroxide
b
Permanent colour
c
Powder bleach
d
Semi-permanent colour
13
Which of the following chemical pH strengths is incorrect?
a
Stabilised hydrogen peroxide 4pH
b
Bleach 8-9.5pH
c
Temporary colour 4-5pH
d
Semi-permanent colour 9pH
14
Why is applying a post colour treatment to the hair important?
a
So that a higher charge can be made for the service
b
It gives a professional impression
c
It closes the cuticle and restores the pH balance
d
It locks in oxygen and oxidants
15
Why is it important to avoid disturbing areas of colour that are still processing when removing products from fully developed areas?
a
To ensure all colour is removed completely
b
To ensure we avoid creating an under-developed patchy result
c
To ensure evenness in the end result
d
To ensure we avoid creating discomfort to the clients
16
Why is it important to leave the hair free of colouring products?
a
To prevent deterioration of the hair and scalp condition
b
To ensure further products can be added when finishing the hair
c
To ensure the client can see the colour of their scalp
d
To allow the hair's natural fall to be seen
17
Which of the following is a contraindication to a colour correction treatment?
a
Short hair because it is difficult to section when applying to a root re-growth
b
Fine hair because it is not strong enough and therefore breakage could occur
c
Psoriasis of the scalp, because of the sore areas which could be aggravated by the colour correction treatment
d
Thin hair because the colour correction treatment might make the hair thinner
18
A client presents for a colour correction service. During the consultation you identify your client is receiving regular medication for a skin condition. What course of action would you take?
a
Proceed with colour correction service after asking the client to sign a colour service disclaimer
b
Discreetly ask the client to obtain medical advice regarding the colour treatment to ensure there are no adverse reactions
c
Check the skin test was negative and then colour the hair whilst reassuring the client
d
Contact the client's GP and ask for a letter confirming that the medication does not contraindicate the colour correction service
19
What would occur if hair is not sectioned precisely in colour correction situations?
a
It will cause an allergic reaction
b
The colour will look more even
c
It could cause another problem that would need correcting
d
It will give a more natural finish
20
Which of the following describes pre-softening?
a
Apply a conditioning treatment and use heat on it for 15 minutes, then rinse and dry before the colour is applied
b
Apply 20 volume liquid hydrogen peroxide to resistant areas and leave under the hood drier for 15 minutes, then apply the required colour
c
Apply a lighter colour, develop and wash off and dry before applying the desired colour
d
Apply powder bleach to the area to make the hair porous, shampoo off and dry then apply desired colour
21
Which of the following describes pre-pigmenting?
a
Apply the client's desired shade, develop and shampoo off then repeat
b
Mix some pure red tone into the desired shade before application
c
Apply 20 volume liquid hydrogen peroxide to the bleached area and leave under the hood drier for 15 minutes, then apply the required colour
d
Apply a red shade of semi-permanent colour to the bleached hair, develop for 20 minutes, then wipe off with tissue towel and apply the desired shade
22
How are colour correction products removed?
a
Lather vigorously 3 times to ensure the products are thoroughly removed
b
Use water, never shampoo after colour correction as it may remove the colour
c
Avoid using hot water that may sensitise the scalp; emulsify colours before rinsing thoroughly and shampoo gently, then condition
d
Use very hot water to ensure the products are thoroughly removed
23
How are colour correction products applied to achieve the best results?
a
Massage into the hair using gloves
b
Always section the hair into 4 even sections
c
With a spatula
d
Apply to carefully selected areas thoroughly and evenly, testing regularly
24
When using a de-colourer to remove artificial hair colour, there are changes to the rules that are normally applied to colouring hair. From the list below identify the rule that applies to adding colour back into the hair after using de-colourer:
a
After the de-colourer has removed the artificial colour, apply the target shade colour
b
After the de-colourer has removed the artificial colour, apply the colour 1 shade darker than the target shade
c
After the de-colourer has removed the artificial colour, apply the colour 1 shade lighter than the target shade
d
After the de-colourer has removed the artificial colour, apply the colour 2 shades darker than the target shade
25
Identify how you would remove darker bands of colour:
a
Apply a cleansing shampoo/bleach bath mix made with 6% hydrogen peroxide to the affected area, then develop for up to 20 minutes. Once the desired undercoat has been achieved, rinse and remove, then colour the hair as normal
b
Apply bleach mixed with water to the affected area of hair, then develop for up to 20 minutes. Once the desired undercoat has been achieved, rinse and colour the hair as normal
c
Apply a cleansing shampoo/bleach bath mix made with 9% hydrogen peroxide to the affected area, then develop for up to 50 minutes. Once the desired undercoat has been achieved, rinse and remove, then colour the hair as normal
d
Apply a deep cleansing shampoo to the affected area, then develop for up to 20 minutes. Once the desired undercoat has been achieved, rinse and remove, then colour the hair as normal
26
How would you re-colour hair previously treated with lighteners?
a
Pre-pigment the hair prior to applying the target colour
b
Pre-colour the roots prior to applying the target colour
c
Pre-soften the mid lengths and ends prior to applying the target colour
d
Pre-bleach the ends of the hair prior to applying the target colour
27
Identify from the descriptions below the most appropriate way of re-colouring hair that has been previously lightened with bleach-based products:
a
Apply a pre-softening product to the hair to add the missing tone. Allow this to develop according to the manufacturers' instructions and then rinse the hair and apply the target colour shade
b
Apply the target shade to the mid lengths and ends of the hair, wait 10 minutes and then apply to the roots of the hair. Allow the colour to develop and after rinsing the colour off, apply a toner to the hair
c
Apply a gentle cleansing product to the hair to remove any yellowing tone. Dry the hair and then apply the target shade according to the manufacturers' instructions, ensuring that the colour does not over-process
d
Apply a gentle cleansing product to the hair to remove any yellowing tone. Dry the hair and then apply the target shade according to the manufacturers' instructions, ensuring that the colour does not over-process
28
How would you achieve the best result when re-colouring hair that had been treated with artificial colour remover?
a
Use a hair restructurant and apply one shade lighter than the desired shade
b
Use the target shade
c
Use one shade darker than the desired shade
d
Use a warm tone of the desired depth required
29
The client liked her colour originally but now the colours are merging through the ends. How can you correct this highlighted and lowlighted effect?
a
Use slices instead of weaves in the hair bringing through to the ends on this occasion
b
Use a darker colour for the lowlights and a stronger bleach for the highlights
c
Colour all the hair back to her natural colour and re-do the highlights and lowlights
d
Continue as before but do not do the ends each time, because this is causing the problem
30
How would you minimise hair damage when applying bleach to a root re-growth?
a
Only use 10% hydrogen peroxide
b
Ensure that the application to the roots does not overlap onto previously bleached hair
c
Only leave it on for 15 minutes
d
Use a good quality anti-oxidising conditioner after shampooing
31
When rinsing colour from the hair, why should tepid water and gentle massage be used?
a
To leave the hair soft and manageable for further services
b
Because the scalp is sensitive from the chemical used
c
To enhance the client's enjoyment of the service
d
To restore the pH balance of the hair
32
What action should you take if skin staining occurred?
a
Wipe the affected area with wet cotton wool
b
Rub the affected area with a towel until the staining is removed
c
Clean the area using stain remover
d
Clean the area using shampoo
33
What action should you take if over-processing with permanent colour or bleach occurred?
a
Use penetrating conditioner or restructuring treatments
b
Use light conditioner on a daily basis
c
Re-apply the colour
d
Re-apply pre-lightener
34
What action should be taken if a client wants a darker tint to become lighter?
a
The hair should be bleached
b
A quasi colour should be used
c
A stripper should be used to decolour the hair
d
A high lift tint should be used
35
What action should you take if product seepage occurred?
a
Use restructurant on the affected area
b
Seek medical advice
c
Remove the seepage from the affected area with damp tissue
d
Spot colour/spot weave the affected area
36
Which of the following is one of the causes of uneven colour?
a
Too much tint used
b
Poor application
c
Conditioner left in the hair
d
Client always wears their hair up
37
How are unwanted bands of colour created?
a
By applying too much colour product to the hair
b
By not sectioning the hair before the application
c
By carelessly overlapping the root re-growth application
d
By removing the colour product too soon after processing
38
What action would you take if hair breakage occured during the colouring service?
a
Immediately cut the rest of the hair so it is the same length as the broken hair
b
Remove immediately, use reconstructurant and penetrating conditioner
c
Remove with a product build-up shampoo and apply a light conditioner
d
Continue with the service and advise the client to use a light conditioner daily for two weeks
39
Which of the following is considered to be the greatest risk when applying lightening products to hair that has previously been treated with chemicals?
a
It will make the hair dry
b
It will cause the hair to break
c
It will leave hair dull
d
It will cause the hair to have split ends
40
Why do hairdressers need to be very careful when using colour correction products on previously chemically treated hair?
a
Hairdressers need to be concerned as over exposure to the conditioning products contained within the colour correction products will make the hair difficult to colour in the future
b
Hairdressers need to be concerned as the pH of colour correction products is alkaline and over exposure to these will result in dull and lifeless hair that may lead to hair breakage
c
Hairdressers need to be aware that colour correction products are acidic and this can cause complications with previous products used on the hair
d
Hairdressers do not need to be concerned as colour correction products have neutral pH and therefore do not harm the hair any more than gently blow drying the hair
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