Most people assume the hair dye on the shelf was approved as safe before it got there — coal-tar hair color is exempt from the rules that govern every other cosmetic ingredient
Editor’s note: This article was originally published on Eluxe Magazine and has been updated and republished in August 2026 under The Vessel’s editorial standards. Hair coloring is one of the most routine steps in personal grooming — used to match a preferred style, refresh a fading tone, or cover emerging grey. Yet the formulas behind […]








