Will Hair Dye Kill Lice and Eggs? Science‑Backed Final Thoughts in 2025

will hair dye kill lice and eggs

Introduction When struggling with a stubborn infestation, many people ask, “Will hair dye kill lice and eggs?” Anecdotal evidence suggests that the ammonia and hydrogen peroxide in permanent hair dyes may kill some live lice upon contact Medical News Today, but these harsh chemicals cannot penetrate the tough, impenetrable shell of nits (lice eggs) to … Read more