Unit of competency Outline
Date retreived
22/07/2026 10:34 AM AWST
22/07/2026 10:34 AM AWST
Whilst all efforts are made to provide accurate and timely information from the relevant source/documentation, please be aware that the information supplied may not be the most current version. The accuracy of the detail has not been confirmed by the Department and therefore should not be relied upon without first confirming the contents.
Solve complex colour problems
Solve complex colour problems
Unit of competency
National Code
WRHCL406B
WRHCL406B
State Code
S7121
S7121
TGA Status
Replaced
Replaced
DTWD Status
Replaced
Replaced
State Implementation and Classification
Approved Date
25/11/2010
Field of Education
110303 - Hairdressing
Original Release Date
25/11/2010
Nominal Hours
30
Description
This unit describes the skills and knowledge required to design and perform corrective hair colour services, and/or provide advice to other operators performing those services, to resolve complex colour problems.This unit of competency will apply to experienced hairdressers playing a technical leadership and/or support role in the workplace.
Notes
Elements and Performance Criteria
1 Develop advanced product knowledge and application techniques.
- 1.1 Colour correction product knowledge is developed, maintained and conveyed to other staff members as required.
- 1.2 Technical solutions, techniques and application procedures are researched, developed, applied and conveyed or demonstrated to other staff members.
2 Consult with clients and prepare for colour correction services.
- 2.1 Existing hair colour and hair condition are analysed through physical and visual examination.
- 2.2 Client history is referred to and previous colour is discussed with client where applicable.
- 2.3 Client dissatisfaction with current hair colour is established through questioning and active listening.
- 2.4 A desired finished result and corrective colour treatment program, including risks, time and costs are discussed and confirmed with client.
- 2.5 A range of relevant products are selected according to the planned treatment program.
3 Perform colour deposit/lifting service.
- 3.1 Strand test is applied where indicated by the client analysis before a decision is taken to proceed.
- 3.2 Colour deposit/lifting products are applied and removed according to manufacturer's instructions and where indicated by the colour correction plan.
- 3.3 Application methods and techniques are applied where indicated by the colour correction plan.
- 3.4 Client and operator comfort and safety are ensured at all stages of the service according to relevant legislation, manufacturer's product safety data sheets, and workplace policies and procedures.
4 Perform specialist colour corrective service.
- 4.1 A variety of colour corrective techniques and services are applied without damage to the hair or scalp.
- 4.2 Client and operator comfort and safety are applied throughout the service according to workplace procedures and manufacturer's product safety data.
- 4.3 Final colour result is achieved consistent with predetermined colour result and client satisfaction is confirmed.
- 4.4 Client after care products and further appointments are recommended and confirmed.
- 4.5 Client history is updated to include colour problem analysis product selection, application techniques, processing methods and timing, outcome of service and home hair care products recommended and purchased.
working with different peroxide levels
stripping
bleaching
pre-pigmenting hair
neutralising unwanted tones
a range of techniques.
natural base
artificial base/s
bleach base.
dry, oily or normal
porosity
texture.
client reaction to skin tests
contraindications
previous pre-service analysis
previous services' brand and colour selection
previous services' application techniques and processing times
recommended after care products.
men, women and children
people who present with virgin hair or a range of pre-existing colour treatments on the hair
people from a range of social, cultural or ethnic backgrounds and with a range of physical and mental abilities.
multiple treatments
removing unwanted colour deposits
identifying raw pigment undertone before adding pre-pigments
pre-pigmenting hair from light to dark to develop a desired undertone
selecting warm and cool colours
products to equalise porosity
selecting and applying tint products
refresher colours
between-service colour care and conditioning products.
stripping products from a defined manufacturer's colour product range
bleaches
powder lighteners
hydrogen peroxides.
following workplace procedures
following manufacturer's product safety instructions regarding the preparation and application of corrective colour products
following manufacturer's product safety data in the event of an accident and seeking medical advice
appropriate gowning of client
application of anti skin stain product
application of colour stain removal product
wearing operator protective clothing and equipment when mixing and applying products
monitoring client scalp comfort and condition at all stages of the service.
federal, state and local health and hygiene legislation and regulations
occupational health and safety legislation and regulations.
client comfort and safety
operator safety
health and hygiene.
stripping
bleaching
pre-pigmenting hair
neutralising unwanted tones
a range of techniques.
natural base
artificial base/s
bleach base.
dry, oily or normal
porosity
texture.
client reaction to skin tests
contraindications
previous pre-service analysis
previous services' brand and colour selection
previous services' application techniques and processing times
recommended after care products.
men, women and children
people who present with virgin hair or a range of pre-existing colour treatments on the hair
people from a range of social, cultural or ethnic backgrounds and with a range of physical and mental abilities.
multiple treatments
removing unwanted colour deposits
identifying raw pigment undertone before adding pre-pigments
pre-pigmenting hair from light to dark to develop a desired undertone
selecting warm and cool colours
products to equalise porosity
selecting and applying tint products
refresher colours
between-service colour care and conditioning products.
stripping products from a defined manufacturer's colour product range
bleaches
powder lighteners
hydrogen peroxides.
following workplace procedures
following manufacturer's product safety instructions regarding the preparation and application of corrective colour products
following manufacturer's product safety data in the event of an accident and seeking medical advice
appropriate gowning of client
application of anti skin stain product
application of colour stain removal product
wearing operator protective clothing and equipment when mixing and applying products
monitoring client scalp comfort and condition at all stages of the service.
federal, state and local health and hygiene legislation and regulations
occupational health and safety legislation and regulations.
client comfort and safety
operator safety
health and hygiene.
Overview of assessment
A person who demonstrates competency in this unit of competency must be able to apply knowledge of the use and application of a broad range of products to solve complex colour problems on different clients. This will take the form of working in a team to provide technical advice to other operators on colour correction strategies and techniques. Knowledge of and skill in applying relevant legislation and workplace procedures that ensure client and operator comfort, health and safety must also be demonstrated.
Critical aspects for assessment and evidence required to demonstrate competency in this unit
knowledge and consistent application of workplace policies, procedures and safe work practices in relation to colour services
consistently applying effective questioning and active listening techniques to consult and negotiate with clients and to ensure client comfort and safety throughout the service
recognising and managing contraindications
reading, accurately interpreting and consistently applying manufacturer's colour charts and product instructions
consistently safe selection, preparation, application, processing and removal of colour according to manufacturer's instructions and workplace procedures
consistently developing specialist product knowledge and techniques
consistently providing sound information and advice to clients and relevant workplace personnel, based on the consideration of time, and cost and risk factors associated with possible corrective services
consistently applying specialist colour corrective services.
Context of and specific resources for assessment
For valid and reliable assessment of this unit, competency should be consistently demonstrated over a period of time and observed by the assessor and/or the technical expert working in partnership with the assessor. The technical expert may include the hairdresser and/or an experienced person at the workplace.
Competency should be demonstrated in the workplace or a simulated workplace environment in a range of situations that may include client interruptions and involvement in other related activities normally expected in the workplace. For further guidance on the use of an appropriate simulated environment, refer to the Assessment Guidelines in this Training Package.
Competency for this unit should be assessed through access to:
relevant documentation, including occupational health and safety legislation and regulations, workplace policy and procedures manuals and manufacturer's product safety data sheets
a salon or simulated salon environment
products and information from key product manufacturer's colour ranges
clients with a variety of complex hair colour problems.
Method of assessment
The following assessment methods are suggested.
Observation of the learner performing a range of tasks in an actual or simulated work environment, over sufficient time to demonstrate his/her handling of a range of contingencies. Tasks may include:
the conduct of pre-service analysis and consultation with clients and other operators
the development, safe application and documentation of complex corrective colour case studies, including colour deposit removal and pre-pigmenting techniques.
Technical questions regarding peroxide levels and their applications in conjunction with complex colour correction, safe product use and application methods.
Third-party reports from experienced hairdressers.
Guidance information for assessment
A person who demonstrates competency in this unit of competency must be able to apply knowledge of the use and application of a broad range of products to solve complex colour problems on different clients. This will take the form of working in a team to provide technical advice to other operators on colour correction strategies and techniques. Knowledge of and skill in applying relevant legislation and workplace procedures that ensure client and operator comfort, health and safety must also be demonstrated.
Critical aspects for assessment and evidence required to demonstrate competency in this unit
knowledge and consistent application of workplace policies, procedures and safe work practices in relation to colour services
consistently applying effective questioning and active listening techniques to consult and negotiate with clients and to ensure client comfort and safety throughout the service
recognising and managing contraindications
reading, accurately interpreting and consistently applying manufacturer's colour charts and product instructions
consistently safe selection, preparation, application, processing and removal of colour according to manufacturer's instructions and workplace procedures
consistently developing specialist product knowledge and techniques
consistently providing sound information and advice to clients and relevant workplace personnel, based on the consideration of time, and cost and risk factors associated with possible corrective services
consistently applying specialist colour corrective services.
Context of and specific resources for assessment
For valid and reliable assessment of this unit, competency should be consistently demonstrated over a period of time and observed by the assessor and/or the technical expert working in partnership with the assessor. The technical expert may include the hairdresser and/or an experienced person at the workplace.
Competency should be demonstrated in the workplace or a simulated workplace environment in a range of situations that may include client interruptions and involvement in other related activities normally expected in the workplace. For further guidance on the use of an appropriate simulated environment, refer to the Assessment Guidelines in this Training Package.
Competency for this unit should be assessed through access to:
relevant documentation, including occupational health and safety legislation and regulations, workplace policy and procedures manuals and manufacturer's product safety data sheets
a salon or simulated salon environment
products and information from key product manufacturer's colour ranges
clients with a variety of complex hair colour problems.
Method of assessment
The following assessment methods are suggested.
Observation of the learner performing a range of tasks in an actual or simulated work environment, over sufficient time to demonstrate his/her handling of a range of contingencies. Tasks may include:
the conduct of pre-service analysis and consultation with clients and other operators
the development, safe application and documentation of complex corrective colour case studies, including colour deposit removal and pre-pigmenting techniques.
Technical questions regarding peroxide levels and their applications in conjunction with complex colour correction, safe product use and application methods.
Third-party reports from experienced hairdressers.
Guidance information for assessment
Replaces
| State Code | National Code | Title | Type |
|---|---|---|---|
| S4497 | WRHCL406A | Solve complex colour problems | Unit of competency |
Replaced By
| State Code | National Code | Title | Type |
|---|---|---|---|
| D8686 | SIHHCLS406A | Solve complex colour problems | Unit of competency |
| State Code | National Code | Title | Type |
|---|---|---|---|
| S656 | WRH40109 | Certificate IV in Hairdressing | Qualification |