How the international hair colour chart i used to select colour?

The international hair color chart is a standardized system that categorizes hair colors using a numerical and letter-based code. This chart helps in selecting the desired shade by providing a clear visual representation of various colors, including their tones and undertones. By matching your desired shade to the chart, you can ensure consistency and accuracy in hair color selection, whether for personal use or professional application. It’s particularly useful for understanding how different colors may appear on various hair types and bases.