I got this off a site
Use a Banana Peel. Take a fresh banana, cut a small peice of the peel just big enough to cover the wart with a little excess, place on wart cover with medical tape and leave on over night. Do this till it's gone, our experience..it took three nights till the warts were gone for good. You can also try a mixture of Apple Cider Vinegar and distilled water 50/50. Put on the wart several times a day, let it dry. Good luck, six year olds may not be up for either one. I first tried the otc freezing chemicals on my daughter and forget the commercials...IT HURTS!
Getting your child to eat more potassium (eat the banana) may help too. Good Luck.
And this
Clear nail varnish does the trick! Paint the wart and replace when it flakes off as the wart shrinks works every time :)using coloured nailvarnish is unsightly.
And this
One technique, that I inferred and then experimented on myself, was using a piece of an adult aspirin, that I taped directly onto the wart, with a circular bandaid. Aspirin is acetylsalicylic acid. My logic was since an aspirin is safe to eat, it should be OK if it absorbs into me, via the wart. It is a moderately mild acid, which I was hoping would O.D. the wart with moderate acid conditions.
I placed about a 1/4 adult aspirin (size of the wart), on the wart, overnight. In the morning, when I took off the bandaid, I had what appeared to be a chemical or acid burn on the wart and beyond it. It was not painful, but the wart and the skin around the wart was all milky white. It was like the skin was going to form a water blister. After I washed off the skin, about 1-2 hours, later the healthy skin got its healthy pink color back, but the wart never recovered. The ideal technique is to make the aspirin piece not much bigger than the wart, to avoid friendly fire.
This technique killed 2-3 warts, that had appeared at that time. The third, although also appearing dead at first, did grow back. After that I stop the experiment and said, the check with it. The third wart never really amounted to anything, but eventually dry up in its own. It was weak enough for immune system to get it.
I am not sure if my experiment is safe for a small child's tender face flesh. My hide; skin, is tough and narly. It may be possible, for a child, to try a piece of baby aspirin, that is no larger than the wart. This will reduce the acid concentration by 90%. Also don't leave the aspirin on as long as I did, at first. Start with a few hours or until the wart starts to show chemical whiting.
Another possible way is to use a skin or face lotion that is readily absorbed into the skin. Mix aspirin into the lotion and apply that for a few hours. You will need to do some development work. You may try it on yourself first two see how it feels and behaves. Old time doctors always experimented on themselves, first, to make sure they do no harm.
To me the last one seems the most sensible...