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Dimethicone is a silicone-based topical lotion that coats lice and nits in a film that blocks their respiratory openings, causing them to suffocate. It is non-pesticidal, meaning lice cannot develop resistance to it the way they can with chemical insecticides.

Dimethicone lotion is applied to dry hair from the roots to the tips, left on for the recommended duration (typically 8 hours or overnight), then washed out. A second application is usually recommended 7 to 10 days later to kill any newly hatched nits.

Dimethicone is generally well tolerated and is considered a good option for people who have had reactions to pesticide-based lice treatments. However, you should tell your provider about any known sensitivities or skin conditions before starting treatment.

Using a fine-toothed nit comb after treatment is strongly recommended. It helps physically remove dead lice and loosened nits from the hair shaft, which reduces the chance of hatching survivors and helps confirm treatment success.

Wash bedding, hats, and clothing that had contact with the infested person in hot water and dry on high heat. Avoid sharing combs, brushes, or hair accessories. Close contacts should be checked for lice and treated if active infestation is found.

If live lice are still present after two correctly timed applications, contact your provider. An alternative treatment such as an oral antiparasitic or a different topical agent may be appropriate depending on your situation.

Doctronic uses AI-guided evaluation to gather your symptoms and medical history, then connects you with a licensed physician who reviews your case and, when appropriate, creates a personalized treatment plan including prescriptions. The process is fully online and HIPAA-compliant.

Yes. Doctronic works exclusively with licensed physicians whose consultations are doctor-reviewed and regularly audited for quality. The platform is HIPAA-compliant and available to adults 18 and older in any U.S. state.