Young Red Hair Colored Girl With Blue Eyes Having A Shower And Posing In The Bathroom At Home

• Bleached hair will often require pre-pigmentation before a color application. Dyeing bleached hair brown can result in gray or very ashy (gray sheen) hair.
• Previously color treated hair can react unpredictably with subsequent color treatments.
• Previous use of shampoos which deposit a layer of plastic on the hair can block the action of the dye.
• Presence of minerals, salts, chlorine or other contaminants in the water used in the coloring process