The L'Oreal INOA Ammonia-Free Hair Color in a 2.1 oz size is a professional hair color product offered by L'Oreal. INOA stands for "Innovation No Ammonia" and is a line of hair color products designed to provide vibrant, long-lasting color without the use of ammonia, which can be harsh on the hair and scalp.
INOA hair color is known for its extensive range of shades, color vibrancy, and coverage of gray hair. It's often favored by those seeking ammonia-free alternatives for hair coloring.