Mixing recommendation by tone: 12/0 to 10/0 - 250ml water + 5ml of Perfecton. 9/0 - 250ml water + 10ml of Perfecton. 8/0 - 250ml water + 15ml of Perfecton. 7/0 to 4/0 - 250ml water + 20ml of Perfecton. Application instructions: shampoo and towel-dry hair. Apply Perfecton mix evenly over the hair with the applicator, while gentle emulsifying. Important: do not rinse and do not shampoo again. Simply style as usual.
Caution: Hair colour can cause severe allergic reactions so please always complete a patch test before using and follow the product instructions. For more Wella allergy advice, please check out their Allergy Alert Test Summary & Questionnaire.
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