Addition to a Fabric to Make It Colorfast
This page is the CodyCross answer for the clue below from Top Secret, Group 2096, Puzzle 4 (Fingerprint Cloner).
Question is: Addition to a Fabric to Make It Colorfast
and the answer is: FIXATIVE
Word Meaning:
FIXATIVE — A substance that fixes, protects, or preserves.
Definitions from Wiktionary.