CPC A61K 8/0245 (2013.01) [A61K 8/415 (2013.01); A61K 8/44 (2013.01); A61K 8/463 (2013.01); A61K 8/731 (2013.01); A61K 8/8152 (2013.01); A61K 8/8176 (2013.01); A61Q 5/10 (2013.01); A61K 2800/432 (2013.01)] | 22 Claims |
1. A coloring solid particle (1), having a volume of between 25 mm3 and 125 mm3, and comprising:
a. a core (2) containing one or more dyes chosen from direct dyes and/or oxidation dye precursors; and
b. an upper coating layer (3) covering said core (2), and containing one or more cellulose ethers.
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