Outwardly. Vigorously shake the vial with the drug and apply to the damp hair such an amount of a substance that is enough to wet the hair and skin of the scalp, pay special attention to the treatment of the occipital region and behind the ears. Do not flush the drug for 20-30 minutes. After the time has elapsed, comb it out with a frequent comb (comb) of dead lice, carefully wash the hair with water and dry it in the usual way.
If necessary, the procedure can be repeated after 24 hours.
In the case of secondary infection, the treatment is carried out after 7 days.