The following knowledge must be assessed as part of this unit: relevant health and hygiene regulations and skin penetration legislation relevant occupational health and safety regulations and requirements infection control procedures and application of universal precautions workplace policies and procedures in regard to advanced facial treatments workplace environmental controls for cleaning and disposing of waste product and equipment appearance of contraindications and adverse effects effects and benefits of a defined range of workplace skin care and facial treatment products factors likely to affect the suitability of each treatment to client needs and effects and benefits of each step in advanced facial treatments anatomy and physiology of the skin and skin structures as they relate to beauty treatments, including: simplified cross-section of skin glands as they relate to basic skin function skin chemicals, including sebum and sweat production: normal and abnormal collagen elastin lipids phases of growth, cell renewal, healing of skin and factors affecting epidermal mitosis normal process of skin ageing and structural change physiological basis of skin colour electromagnetic spectrum and effect of light on skin normal skin response to irritation and trauma scars, including hypertrophic and keloid (their origin and evolution) and abnormal scar tissue effects of treatments on physical structure of skin trans-epidermal water loss wound healing in different skin types and locations percutaneous absorption and factors affecting penetration of cosmetics normal body flora body systems in regard to their interdependence and purpose in relation to a healthy body and their relationship to skin, muscles and nerves, including: skeletal and muscular system, including muscle contractility and motor points, position and action of superficial muscles of face, throat and chest nervous system and its relationship to skin sensations lymphatic, digestive, respiratory, and circulatory systems and their relationship to skin function, including thermoregulation and homeostasis endocrine and reproductive systems in relationship to hormonal control of skin principles and properties of electricity as they relate to advanced facial treatments basic nutrition and the relationship between nutrition and healthy skin, particularly foods which may have an effect on skin or which may be contraindicated in combination with relevant skin conditions or products used in a treatment procedure cosmetic chemistry/ingredients in relevant treatment products, particularly in regard to: their likely effects on skin toxic effects of various substances and their contribution to premature ageing possible contraindications in combination with other products or circumstances operator's legal and insurance liabilities and responsibilities in regard to services and use and preparation of treatment products causes of skin reactions and allergies in regard to treatments. |