First multi-dimensional permanent hair colour that creates authentic colour results that are as close to natural hair colour as it gets. Truly authentic hair colour works with hair's natural high and lowlights to create a unique and beautiful colour. Here's how tbh – true beautiful honest achieves genuine, authentic results: - Up to 92% naturally derived ingredients - Illuminates and enhances natural high and lowlights for a truly multi-dimensional look - As close to authentic, natural hair colour as it gets - Genuinely honest approach to ingredients