Colour Correction
nhamonda
Created on April 6, 2021
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Transcript
Cywiro Lliw UHB51 Colour Correction(6)
Level 3 Hairdressing
- Permanent colouring and lightening are chemical processes that involve the addition of?
- What effect does a colour reducer have on the hair?
- What happens to the hair when you remove colour by oxidation?
- Lighten
- Darken
- Change Tone of the hair using oxidation and reduction
Principles of Colour CorrectionEgwyddorion Cywiro Lliw
- Scalp irritation/Skin sensitivities
- Bleeding
- Uneven patchy result
- Insufficient coverage on white hair
- Hair not light enough
- Hair over-lightened
- Hair damage/breakage
- Incorrect tone
- Hair too dark
- Banding
Colouring Faults and Corrections Diffygion a Chywiriadau Lliwio
Scalp irritation – skin sensitivitiesLlid croen y pen - sensitifrwydd croen
- Every client must have a skin test prior to a colouring service to test for an allergic reaction.
- You should ask your clients if they have ever had any sensitivity to hairdressing products.
- Check if your client has any general sensitivities or has had an allergic reaction in the past.
- Once a client has developed a sensitivity to a permanent colouring product, this is unlikely to ever change.
- A client with a history of allergies or sensitivity is more likely to react to hairdressing products.
- Identify if the unwanted tone is too cool or too warm
- Use the colour wheel to determine the neutralising tone or tone that needs to be replaced
- Decide on the colouring product to be used, to pre-pigment the hair (for example, mousse, semi, quasi, etc.)
Correction for incorrect toneCywiro tôn anghywir
- Failure to identify whether tones need to be added or neutralised
- Natural tones in the hair not taken into account when choosing the target colour
- Incorrect choice of target colour
Incorrect toneTôn anghywir
- Re-apply colour if condition allows (spot colour).
- Evaluate the use of different colouring products.
- Treating the darker areas with a reducer before reapplying the target colour
Correction for banding Cywiro bandio
- Re-growth application is overlapped
- Incorrect mixing of products (guesswork)
- Incorrect colour match to existing colour
- Incorrect peroxide choice
BandingBandio
Banding / Bandio
- What are the potential consequences of using colour correction products on previously chemically treated hair?
- What action should be taken if hair fails an elasticity test?
- Why is it important to discuss with your client further colouring services after having a colour correction ?
Over processingGor-brosesu
- Show your clients visuals to help them understand the process
- Gold would indicate a warm skin tone
- Silver would indicate a cool skin tone.
How to determine whether your client has a cool or warm skin tone,
Eye Colour - To determine whether your client has cool or warm eyes