If you dye your hair will it kill head lice: Know the Expert Insights in 2025

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Introduction Many people ask, if you dye your hair will it kill head lice, hoping that the harsh chemicals in permanent dyes might double as insecticides? Medical News Today. Permanent hair dyes contain ammonia to open the cuticle and hydrogen peroxide to oxidise pigment, creating an environment hostile to some lice upon direct exposure PubMed. … Read more