Results: Multidimensional colour system with aha bonding care<br/><br/>Formulated without PPD/PTD.†<br/>†Do not use this product if you have a known PPD/PTD allergy, as you may still experience a severe reaction.<br/><br/>With Bonding Primer and Bonding Treatment to help Reinforce Hair Structure* and Create Sublime Colour.<br/>What's the secret?<br/>Our continuous system with colour + bonding has AHA (alpha-hydroxy-acid) in every step!<br/>Step 1: Prime. Bonding Primer with AHA reinforces the internal structure of your hair and, like a base coat, prepares it for sublimely multidimensional colour.<br/>Step 2: Colour. Reflective pigments + AHA fill your primed hair evenly, for multidimensional tones.<br/>Step 3: Treat. Bonding Treatment with AHA seals colour in like a top coat and gives final reinforcement to the hair structure.<br/>Reinforced hair structure.* Multidimensional colour<br/>*ColourStrong full kit vs. ColourStrong colour step only
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