Review Of What Does 4Ar Mean In Hair Color References. Web a single number without the slash (1) means the color is neutral. Hair color levels describe how light or dark hair color is, and each is represented by a number.

Hair color levels describe how light or dark hair color is, and each is represented by a number. The first number of a hair colour represents the lightness of the shade, measured from 1 (darkest) to 10 (lightest). Web what does 4ar mean in hair color?