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Colour speckles invention relates to non-bleeding and quick colour releasing coloured speckles for use in granular laundry detergents and other consumer products. The speckles are comprised of a Porous carrier, a releasing agent, and a coloring agent.
A process for the production of coloured speckles for use in detergent powders which comprises spraying particulate material with an aqueous solution of
colourant characterized in that the solution also comprises a hydratable salt, and the particulate material onto which the solution is sprayed comprises a spray-dried detergent base powder.
The colorful speckles are principally used to improve the visual effect of detergent powder. As an ingredient, it can be added to a previously prepared detergent mix directly, in 1%-3% of the final compound.
The overall composition usually comprises a major proportion of white or neutral particles and a minor proportion of colorful speckles. However, it’s not uncommon to have a compound featuring a significant proportion of colorful particles as the base, mixed with a small amount of a contrasting hue. Apart from purely aesthetic purposes, colorful speckles can serve some practical functions, too. Including visually contrasting particles can be a clue to the consumer, indicating the presence of some specific ingredient, such as bleach.