Plant-based Permanent Hair Color: Naturtint's active plant-based ingredients protect and regenerate hair fibers, restoring lost vitality and shine, even in hair damaged by aggressive coloring processes and treatments. Long Lasting Gray Coverage Naturtint's revolutionary formula provides healthy and effective long-lasting gray coverage from the first application. Naturtint Permanent Hair Colorants; FREE FROM Ammonia, Resorcinol, Parabens, SLS, Mineral Oils. ENRICHED WITH ingredients of natural origin to provide optimum colour and care for healthy hair. 32 PERMANENT COLOURS available, all of which can be mixed to create an endless spectrum of colours. All shades offer 100% GREY COVERAGE and can lighten hair by up to two shades.