Achieve rich, lasting color with Koleston's professional-grade permanent hair dye. This 50ml kit delivers intense black (shade 2/0) with superior gray coverage and fade resistance. Formulated with conditioning agents to maintain hair health, it offers salon-quality results at home. Complete kit includes color cream, developer, and applicator for seamless application. Ideal for those seeking bold, enduring color that lasts up to 8 weeks between touch-ups.