Box dyes and beard dyes can work—but they’re messy, easy to overdo, and often leave you too dark and stuck in a maintenance cycle.

Osmerra is the opposite: a temporary comb stick that lets you build natural‑looking coverage on just the greys you hate—no mixing, no stains, no shoe‑polish look. Just 20‑second touch‑ups that wash out with shampoo so you stay in control.