This describes the essential skills and knowledge and their level required for this unit

Skills may include

prebleach service analysis

communication techniques including

using open and closed questions

speaking clearly and concisely

using appropriate language

nonverbal communication

client consultation

using manufacturers colour charts

bleach product selection

bleach product application methods within defined workplace timeframes

residual product removal

language literacy and numeracy skills relevant to the role and workplace requirements

Knowledge may include

the composition of bleach products and their chemical and physical effects on hair structure

the effects of hydrogen peroxide on the hair and hair colour

the reasons for selecting particular application methods

the stages of bleaching

the colour wheel and its application in toner selection

manufacturers colour chart systems from the workplace range

processing and developing methods for a defined workplace product range

manufacturers product safety data for preparing and applying bleach products

the provisions of relevant health and hygiene legislation and regulations

the provisions of relevant occupational health and safety legislation and regulations

The evidence guide describes the underpinning knowledge and skills that must be demonstrated to prove competence It is essential for assessment and must be read in conjunction with the performance criteria the range statement and the assessment guidelines of the relevant Training Package

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 defined workplace range of bleach and toner products for a range of colour outcomes on different clients Knowledge and skill with regard to relevant legislation and workplace procedures that ensure client and operator comfort health and safety must also be demonstrated

Specific evidence requirements

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 bleach services

knowledge of manufacturers product safety data

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 manufacturers product safety data and product use and application instructions

consistently safe selection preparation application processing and removal of colour according to manufacturers instructions and workplace procedures

consistently achieving the desired degree of lift and performing natural hair and regrowth bleach services with even colour results and minimum hair damage

consistently applying client and operator safety precautions

Context of assessment

For valid and reliable assessment of this unit competency should be consistently demonstrated over a period of time and observed by the assessor andor the technical expert working in partnership with the assessor The technical expert may include the hairdresser andor an experienced person at the workplace

Competency should be demonstrated in the workplace or a simulated workplace environment in a range of situations which 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

Specific resources for assessment

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 manufacturers product safety data sheets

a salon or simulated salon environment

a defined bleaching and toning workplace product range along with manufacturers colour charts and product instructions

clients with a variety of bleaching requirements

Relationship to other units

This unit requires an assessment outcome that includes evidence of knowledge of the chemical and physical effects of bleaching products on the hair and their safe application

WRHCLB Colour and lighten hair

WRHCL302B Colour and lighten hair

WRHHSA Apply the principles of hairdressing science

WRHHS301A Apply the principles of hairdressing science.

Corequisite unit

WRHCLB Design and perform full and partial highlighting techniques

WRHCL303B Design and perform full and partial highlighting techniques.

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 hisher handling of a range of contingencies Tasks may include

completion of workplace documentation relevant to analysis of client characteristics prior to bleach treatment

demonstrated client consultation and colour selection prior to service

demonstrated safe application and processing of full head and retouch bleach services on a variety of clients with different needs

Thirdparty reports from experienced hairdressers in the workplace

Evidence required for demonstration of consistent performance

For valid and reliable assessment of this unit evidence should be gathered through a range of methods to indicate consistent performance

It can be gathered from assessment of the unit of competency alone through an integrated assessment activity or through a combination of both

Evidence should be gathered as part of the learning process

Client characteristics may include:

Contraindications may include:

Clients may include:

Client history may include:

Bleach products must include:

Client and operator comfort and safety must include:

Relevant legislation may include:

Workplace policies and procedures may include:

Stages andmethods of product application must include:

Product processing must include:

Heat acceleration may include:

After bleach toning products may include: