Head lice are human parasites and require human blood to survive. They are not environmental pests so pesticide sprays for furniture and bedding are unnecessary. Vacuuming is the safest and best way to remove the lice or fallen hairs with attached eggs from upholstered furniture, rugs, stuffed animals and cars.
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Pharmacy Practice + Business and Profession Santé 2024 Survey on OTC Counselling and Recommendations(re: pharmacists)
