Topical antiseptic (6)

I believe the answer is:

iodine

(Other definitions for iodine that I've seen before include "Antiseptic made from seaweed" , "Element forming black crystals or violet vapour" , "for therapeutic purposes" , "Mild antiseptic" , "Hanging tuft" .)

I've seen this clue in the King Feature Syndicate.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.