Wear Gloves at all times - How can you avoid contracting contact dermatitis during a colour service?, To check for allergic reactions - Why are skin tests conducted prior to a colour service?, Speeds up the development - What does the addition of heat do to the development of a colour?, 6% - What is equal to 20 vol hydrogen peroxide in Percentage?, 1-2 levels of lift - What levels of lift can be achieved with using permanent colour and 20 vol hydrogen peroxide?, 4.5-5.5 - What is the natural pH of hair and skin?, Small molecules that expand - What size colour molecules does a Permanent colour contain?, large molecules - What size colour molecules does a Temporary colour contain?,

Colouring Level 2 recap starter

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