Ecocolors does cover gray hair.Stick to any color in the brown series or try golden blonde for effective gray coverage. ALWAYS do an allergy patch test and a strand test before applying any new color formulation to your entire head.Make sure you apply Ecocolors full strength to the gray hair and process at least 35-45 minutes. The full ingredient listing is located at: https://www.ecocolors.net/index.cfm?pg=ProfessionalHaircolor# Then click on "ingredients".
