Abstract: It is provided a granulated hair dye composition, a poultice obtained with it, a method for preparing it and a method for dyeing thereof. The granulated hair dye composition comprises a natural hair dyeing agent, a natural thickening agent, and optionally a direct dye, wherein the natural dyeing agent is coated with the natural thickening agent, thereby forming granules. It is provided a dust-free composition, comprising fewer materials than conventional non-oxidative hair dyeing compositions, and mostly from natural origin, that could be easily mixed with water and applied onto hair as a poultice with limited or no dripping, while providing an improved user's dyeing experience and an even dyeing of hair, without comprising shine and hair feel.

Abstract: A distributor bar for applying a liquid reaction mixture to a cover layer, comprising a distribution channel and multiple exit openings, the geometry of the exit openings in the distributor bar being chosen such that the discharged quantity at at least one end of the distributor tube is higher than in the center of the distributor bar. An application device containing the latter and a method for producing foam composite elements using this distributor bar are also provided.