| abstract |
The present invention relates to a combination of at least three major components: (1) a leuco dye or a leuco dye, (2) a coloring agent or a coloring agent capable of forming a colored complex with the leuco dye, and (3) Describes a coloring composition containing a sensitizer for temporarily eliminating the effect of a coloring agent in which the leuco dye appears in a colorless form. An optional binder may be included so that the composition can be applied to the substrate as an ink. The ink composition may be applied to a synthetic polymer matrix, and other substrates incorporated into an absorbent article or personal care product. |