How should vinegar be diluted for lice treatment? - briefly
A typical dilution is one part white vinegar mixed with one part water (50 % vinegar). Apply the solution to the scalp, leave it for 10–15 minutes, then comb out the lice.
How should vinegar be diluted for lice treatment? - in detail
Vinegar can be incorporated into a lice‑removal routine as a post‑comb rinse that helps loosen nits and reduce scalp irritation. The solution should be diluted to a concentration that retains the acidity of household white vinegar (approximately 5 % acetic acid) while minimizing irritation.
Typical dilution ratios
- 1 part vinegar + 3 parts water (≈25 % vinegar solution)
- 1 part vinegar + 4 parts water (≈20 % vinegar solution)
Both ratios are effective; the slightly weaker mixture is preferable for younger children or sensitive scalps.
Preparation steps
- Measure the required volume of distilled or tap water.
- Add the appropriate amount of white vinegar, stirring until evenly mixed.
- Transfer the mixture to a clean spray bottle or a cup for application.
Application procedure
- After using a fine‑toothed nit comb, saturate the hair and scalp with the diluted solution.
- Allow the liquid to remain for 5–10 minutes; the mild acidity softens the glue that holds nits to hair shafts.
- Rinse thoroughly with lukewarm water, then repeat combing to remove loosened nits.
- Perform the process once daily for 3–5 days, or until no live lice are detected.
Safety considerations
- Conduct a patch test on a small skin area 15 minutes before full application.
- Avoid contact with eyes; rinse immediately if exposure occurs.
- Do not use the solution on infants younger than six months or on individuals with open wounds or severe scalp conditions.
- Store the mixture in a sealed container, discard after 48 hours to prevent bacterial growth.
Following these guidelines ensures the vinegar solution is potent enough to aid lice removal while remaining safe for routine use.