Cool What Does Developer Do In Hair Color Ideas. Web in the hair industry, a developer is an agent that alters the color of hair by removing or changing its pigment. Web hair developers play a crucial role in the coloring process.

Mix together until the hair dye is dissolved. This is a product that's mixed with color to activate it and enable it to penetrate the hair cuticle. Web in the hair industry, a developer is an agent that alters the color of hair by removing or changing its pigment.