This non-toxic hair stain is made from natural dye and features by its twin-agent style. One of the agents is composed of ferrous iron salt, reduced iron powder and water and another consists of hematoxylii red, organic solvent and water. Appropriate materials such as surfactant, thickening agent, regulator, acidulant, preservative and perfume are added in one of the agents. Both of them are aqueous preparations. Whole hair-dying procedure will take about 45 minutes with good effect, non-poisonous and no carcinogenous by-effect. |