A process for dyeing keratin fibers, the process comprising:
- mixing a packaging article with a composition that is capable of dissolving the packaging article to form a resulting composition, the packaging article comprising:
- i) an envelope defining at least one cavity, the envelope comprising water-soluble and/or liposoluble fibers;
- ii) at least one anhydrous dye composition comprising at least one oxidation dye;
- and
- iii) at least one anhydrous oxidizing agent;
- wherein the anhydrous dye composition ii) and the oxidizing agent iii) are in the at least one cavity defined by the envelope i);
- applying the resulting composition to the keratin fibers;
- leaving the resulting composition on the keratin fibers;
- rinsing the keratin fibers;
- and
- optionally shampooing, rinsing, and/or drying the keratin fibers.