Abstract: A novel dye system and improvement to the conventional method of preparing highly colored soap and synthetic detergent bars is disclosed. In the making of soap bars, for example, a solution of water, glycerine and dye is added to soap pellets in the amalgamator along with a slurry of uncolored soap additives to produce a highly colored soap product, thus solving the problem of introducing high concentrations of dyes to soap pellets at the amalgamator, particularly in the presence of a slurry heavy with additives. This makes it feasible for one slurry tank to serve multiple amalgamators producing different highly colored bar products.