SHBHCLS004 — Neutralise unwanted colours and tones

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What an assessment for SHBHCLS004 must cover

45 assessable components: 5 elements (27 performance criteria), 3 performance evidence and 11 knowledge evidence requirements, plus 4 foundation skills. An audit-defensible tool maps every question and task back to these — that mapping is the coverage matrix Auditori generates alongside the assessment.

Elements & performance criteria

1 Consult with client.

1.1Access and review any existing client hair colour history or create for new clients.
1.2Determine, through discussion and questioning, nature of client dissatisfaction with current hair colour.
1.3Discuss client colour preferences, and expectations of desired base colour and tone using colour charts to assist.
1.4Engage client in discussion about lifestyle and self-care factors that may impact on success of colour treatment.
1.5Visually examine and analyse unwanted colour and tones, client skin and hair characteristics and condition.
1.6Consider the interplay of the elements and principles of hair design to visualise, communicate and recommend colour treatments appropriate for the client.
1.7Obtain client agreement to proceed with recommended colouring services.

2 Determine contraindications to corrective colour treatment.

2.1Evaluate client reaction to colour chemicals through discussion, assessment of history, where available, and completion of a pre-service skin test, as required.
2.2Complete a strand test where hair analysis indicates risk to hair structure and condition.
2.3Identify contraindications to proceeding with colour correction treatment and explain any present to client.

3 Select colour correction products and prepare for service.

3.1Use knowledge of hair biology and cosmetic chemistry, as it applies to hair colour correction, to ensure effective and safe use of chemicals.
3.2Select colour correction products to neutralise unwanted colour and tones and to achieve target base colour and tone.
3.3Select and prepare equipment according to product instructions and application methods to be used.
3.4Take personal precautions to prevent own skin stain and allergic reactions to colour chemicals throughout preparation and colour service.
3.5Measure and prepare colour correction products, according to product instructions and ensure minimal wastage.
3.6Apply wraps and towels and skin barrier cream to ensure client protection and safety.

4 Apply colour correction products.

4.1Maintain client and operator comfort and safety throughout colour service according to organisational procedures.
4.2Apply colour correction products using methods and following stages shown in product instructions.
4.3Ensure even coverage, cross check and complete without re-growth overlap, stain or damage to client scalp or hairline.
4.4Time processing of colour correction products to achieve target result, according to product instructions, and monitor through observation.
4.5Remove residual product at end of processing time, according to product instructions.
4.6Use energy and water resources efficiently during service and safely dispose of hazardous and other waste according to organisational procedures.

5 Review service and provide home care advice.

5.1Review service outcomes against client expectations and confirm client satisfaction with colour and tone result.
5.2Propose remedial action in response to any client concerns and post service analysis of hair condition and colour appearance.
5.3Reach agreement with client on proposed solutions through positive and open communication.
5.4Advise on and recommend home colour care products and sun protection strategies.
5.5Update client history to include full details of colour correction service.

Performance evidence

consult with at least six clients, each with different colour correction needs, and complete colour correction treatments which consistently achieve target colour and tone results to client satisfaction using these colour correction products cumulatively across the six services provided: • colour fillers • permanent colour • porosity equalisers • semi-permanent colour • temporary colour
for each client, complete a pre-treatment hair analysis covering the following characteristics to recommend appropriate colouring treatments: • natural hair type, texture, porosity, density and elasticity • natural base colour • artificial base colour • hair colour tone • percentage of white hair • presence of lightening agents or artificial hair colour treatments on hair • existing chemical services, including metallic based products • skin tone • length of hair • scalp condition
record the following details of the colour service in the history for each client serviced: • pre-service hair analysis and colour problem • contraindications • reaction to skin tests or products • colour correction products selected • brand and colour selection • application techniques, processing methods and times • colour and hair condition outcome • recommended home care products.

Knowledge evidence

colour wheel and its use in colour selection to achieve warm and cool tones
key characteristics and interrelationships of the elements and principles of hair design and their use in achieving hair colouring effects; elements of hair design: • line • shape • direction • size • texture • colour principles of hair design: • balance • gradation • repetition • contrast • harmony • dominance • unity
hair biology, at an elementary level of understanding: • main functions and role of hair • main factors contributing to hair colour • structure and cellular features of hair and hair follicles • process of hair growth and the hair growth cycle • characteristics of normal and damaged hair • relationship between hair porosity, texture, condition and the success of colour treatments
basic concepts of cosmetic chemistry, as they apply to effective and safe use of colour correction products: • bonds • molecules • chemical compounds • chemical change • neutralisation • acids and bases • pH
at an elementary level of understanding, the chemical and physical effects on hair structure, texture and colour of: • colour fillers • hydrogen peroxide • porosity equalisers • temporary colour • semi-permanent colour • permanent colour • high lift tints • sunlight • heated hairdressing equipment
contraindications to using colour correction products: • damaging effects of previous chemical hair treatments • hair porosity • sunlight or heat affected hair • client allergic reactions
organisation’s colour correction products range: • colour chart system • formulation of colour and high lift tints • product purpose • action on the hair • mixing and application instructions • processing and development times
role and basic content of Safety Data Sheets (SDS) or plain English workplace documents or diagrams that interpret SDS content
reasons for selecting different application methods
basic aspects of local government, state or territory health regulations applicable to providing hair colouring services
industry practices and organisational procedures for: • client comfort and safety with particular emphasis on: - using gown and towels to protect client clothes - application of barrier creams to face and neckline - avoiding product contact with eyes - monitoring client scalp comfort and condition • work health and safety for applying hair colour correction products, with particular emphasis on: - avoiding product contact with operator eyes and skin - avoiding inhalation of fumes during product mixing - using correct posture and adjusting height of client chair to avoid fatigue and injury • minimising wastage of colour correction products • waste disposal with particular emphasis on environmentally sound disposal methods for hazardous and other hairdressing waste.

Foundation skills

Reading skills: interpret sometimes unfamiliar and detailed documents including organisational procedures, product instructions and safety data sheets.
Oral communication skills: ask open and closed probe questions and actively listen to effectively interact with client and meet their needs.
Numeracy skills: calculate and record ratios, measure, mix and apply colour correction products in correct proportions manage application and processing times effectively.
Planning and organising skills: manage own timing and productivity to complete colour correction services within organisational service times.

Unit content sourced from training.gov.au — © Commonwealth of Australia, licensed under CC BY 4.0. Auditori is not affiliated with the Department of Employment and Workplace Relations.

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Questions about assessing SHBHCLS004

What does an assessment tool for SHBHCLS004 need to cover?

To satisfy the Principles of Assessment and Rules of Evidence, an assessment for SHBHCLS004 needs to address all 45 unit components: 5 elements with 27 performance criteria, 3 performance evidence requirements, 11 knowledge evidence requirements, and the foundation skills. A coverage matrix mapping each question and task to these components is what an auditor looks for.

How does Auditori generate an assessment tool for SHBHCLS004?

Auditori pulls the current release of SHBHCLS004 from training.gov.au and generates a complete package: candidate assessment, assessor guide with model answers and observation criteria, and a coverage matrix mapping every component. A suitably qualified person then reviews and approves the draft in a built-in workflow — consistent with ASQA's guidance on AI use in VET — before export as branded PDF and editable Word.

Is the first assessment tool really free?

Yes. Every new account includes one free credit — enough to generate the complete assessment tool for SHBHCLS004 — with no card and no subscription required. After that it's pay-as-you-go per unit.

Can I check my existing SHBHCLS004 assessment instead of generating a new one?

Yes — upload your existing assessment or learner guide and Auditori maps it against every element, performance criterion, PE and KE of SHBHCLS004, showing exactly what's covered and what's missing. Mapping costs a quarter of a credit.

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