ITEM NAME:DIY Painting Non-toxic Temporary Pastel Hair Color Dye Chalk D2E6 DIY Painting Non-toxic Temporary Pastel Hair Color Dye Chalk D2E6 Materials: 100% Temporary Hair Color Pastel Chalk,non-toxic Suitable for kindergarten kids graffiti, hair Colour Chalk. blackboard paper chalk etc Colour: 6 color Notice:The chalk maybe crashed during the.Suitable for kindergarten kids graffiti, hair Colour Chalk. blackboard paper chalk etc. Apply chalk to the desired color more chalk the brighter the color. This chalk is non-toxic and will stay in the hair for 1-2 washes depending on your hair color.