How Head Lice Spread: Understanding Hair-to-Hair Contact

How Head Lice Spread: Understanding Hair-to-Hair Contact

When families are researching head lice, the most useful information is practical, clear, and based on the current product label. This guide explains how head lice spread: understanding hair-to-hair contact in a straightforward way for U.S. parents, caregivers, and shoppers. It is educational information and does not replace the current Drug Facts label or advice from a qualified healthcare professional.

Head lice most often spread through direct hair-to-hair contact. Check relevant close contacts rather than assuming every person or shared object is affected, and avoid sharing personal hair items while managing a confirmed case.

What to Know First

Understanding Treatment Information

Practical Follow-Up

Everyday Household Care

KAKSHAL® Product Resources

View KAKSHAL® Permethrin Lotion 1% →

Frequently Asked Questions

Should I rely on itching alone?

Should everyone in the household be treated automatically?

Can I change the amount or timing of a treatment?

Important Reminder