Take snails that have shells, pick them, and with the juice that cometh
from them rub the wart every day for the space of seven or eight days,
and it will destroy them.
– A Choice Manual of Rare and Select Secrets in Physick
and Chyrurgery, Elizabeth Grey, 1653
While snail mucus is used in various parts of the world for medical
and cosmetic purposes, the scientific community is still divided as to its
efficacy. The visual similarity between warts and snail shells and toad skin
has inevitably led to those animals’ unwilling participation in treatment.