+29 Color 1B Hair 2023. The b in 1b stands for black, while 1 indicates that it is the first hue of natural black. Web it is a beautiful black shade with a hint of brown undertones in the overall look.

If your hair is a bit gray or you need a brightening, you should choose a 1b shade to restore its vibrancy. Between colors #1 and #2 is color 1b. Use a clarifying shampoo once a week.