1) What is the mixing ratio for permanent colour and peroxide? a) 2:1 b) 3:1 c) 1:1 2) When applying a root tint. Where do you start? a) nape of neck b) Hair-line c) front section 3) How long does a permanent colour take to develop without heat? a) 15 min b) 30 min c) 45 min 4) Does heat speed up the development time of colouring products? a) no b) yes 5) Should you use gloves when using any colour product? a) no b) yes 6) Does permanent colour contain a shampoo molecule? a) no b) yes c) sometimes

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