L'Oréal Professionnel Inoa 4.0 is an odour-free and ammonia-free permanent colour which provides a perfect coverage and a sublime shine.

Mix together in a 1:1 ratio with iNOA developer. Mix the colour and developer together until a smooth, creamy texture is obtained. Apply to dry, unwashed hair. When development time is complete, thoroughly rinse the colour from the hair. For best results use with Metal Detox protocol. Ask more information about this product

Please be aware that ingredient lists for the products of our brand are updated regularly. Please refer to the ingredient list on your product package for the most up to date list of ingredients to ensure it is suitable to your personal use.