SHBHCLS005 - Provide on scalp full head and retouch bleach treatments

Assessment tasks will be designed to reinforce and extend knowledge and skill competence within set and controlled parameters in accordance with each unit's learning outcomes and performance criteria requirements, including the setting of work based practical application tasks designed to provide evidence of competence outcomes, within periodic and scheduled timelines. Students will be expected to demonstrate the following required skills: - consult with at least six (6) clients, each with different bleach treatment needs, and complete these treatments which consistently achieve desired outcomes to client satisfaction: on-scalp full head untreated hair for three different clients, using percentage of peroxide according to manufacturer's instructions; retouch for three different clients, using percentage of peroxide according to manufacturer's instructions; - for each client, complete a pre-treatment hair analysis covering the following characteristics to recommend appropriate bleach 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; skin tone; length of hair; scalp condition, and; - record the following details of the bleach service in the history for each client serviced: pre-service hair analysis; contraindications; reaction to skin tests or products; bleach treatment products selected; application techniques, processing methods and times; lift, tone and hair condition outcome; recommended home care products.Students will also be expected to demonstrate the following knowledge: - colour wheel and its use in toner selection; - key characteristics and interrelationships of the elements and principles of hair design and their use in achieving hair lightening effects; - hair biology, at an elementary level of understanding; - physical effects of chemical products and treatments on the skin; - main structure, functions and role of the skin and glands; - relationship between hair porosity, texture, condition and the success of bleach treatments; - basic concepts of cosmetic chemistry, as they apply to effective and safe use of bleach products; - at an elementary level of understanding, the chemical and physical effects on hair structure, texture and colour; - contraindications to using bleach products; - organisation's bleach products range; - stages of bleaching; - reasons for selecting different product application methods; - basic aspects of local government, state or territory health regulations applicable to providing hair bleaching services, and; - industry practices and organisational procedures.