Achieve rich, radiant black hair with Garnier Olia 2.0 Diamond Black hair color. This ammonia-free formula nourishes your hair while delivering intense, long-lasting color with a luminous diamond shine. Enriched with 60% oils, it gently cares for your hair, leaving it soft and shiny. The easy-to-apply cream ensures even coverage and vibrant results. Perfect for at-home use, it naturally and elegantly covers gray hair. Enjoy salon-quality color with the convenience of a DIY treatment.