1) Colouring 2) Dye 3) Toner 1) Pigment 2) Shade provider 
Concentrated colour (dyes or pigments) that can be added to paints to make specific colours.
Concentrated color (dyes or pigments) that can be added to paints to make specific colors.
Concentrated color that can be added to paints to make a specific color.
Concentrated color that can be added to paints to make a specific color.
A dye, ink, pigment, wax, or other material used to impart colour. 
Concentrated color that can be added to paints to make a specific color.
Colourants are, e.g., dyes, pigments or coloured chemicals added to another substance(s) to cause a change in colour or shade.
Substances which are exclusively or mainly intended to colour the cosmetic product, the body as a whole or certain parts thereof.
something used as a coloring matter; pigment; dye.
Any substance that imparts color to another material or mixture. Colorants can be dyes or pigments.