Ben Nye, Sr. pioneered Silver Grey Hair Color to subtly age hair to a natural silver-grey tone. Ivory Hair Color is the latest innovation to naturally age dark hair without it appearing blue. Apply with a toothbrush to styled hair. Set with hair spray. Avoid use on chemically treated hair. Protect costumes during application.Silver Grey - Ben Nye's original hair color. Realistic silver-grey age tone with subtle metallic highlights.