Both pubic and head lice are still around. The only sure cure, short of dousing with chemicals of varying effectiveness or having someone with a baby comb go over someone afflicted, is SHAVING. No hair, no place for the lice to glue their eggs for the next cycle.
BTW, men, check your mustaches and beards as well.
And, even men as well as women could be shaved. As Dr. Evil said in "Austin Powers: International Man of Mystery", recounting his childhood:
"...At the age of 14, a Zoroastrian named Vilmer ritualistically shaved my testicles. There really is nothing like a shorn scrotum — it's breathtaking... I suggest you try it..."