on US student, 14, wins award for developing soap to treat skin cancer · c/upliftingnews · 4 pts · 2ySoap is a rinse-off product. It'll never be as effective as leave-on ointments because the substances that actually do something will mostly be gone as soon as they're rinsed off the skin...
Soap is a rinse-off product. It'll never be as effective as leave-on ointments because the substances that actually do something will mostly be gone as soon as they're rinsed off the skin...