The present invention provides a color-changing microcapsule composed of a core comprising an inner color layer having a color, a pressure-breakable wall layer surrounding the core, an optional outer color layer and an optional outermost layer, characterized in that said core comprises a core-seed and at least one inner color layer comprising a colorant and a binder, and said pressure-breakable wall layer comprises titanium dioxide particles and a binder.

Said color-changing microcapsule has a high durability during storage and handling and a high masking ability of inner color, can be easily ruptured by pressing, rubbing, wiping and/or scrubbing with hand or an implement such as cloths, sponge or paper to reveal or develop the color on the inner color layer as well as can maintain the stability for a long time when incorporated into a carrier of cosmetic formulations.

The present invention relates to dyes of formula (1) ##STR00001##
a process for preparing them and their use for dyeing and printing hydroxyl- and/or carboxamido-containing materials.