Soothing or restorative substance (4)

I believe the answer is:

balm

(Other definitions for balm that I've seen before include "Aromatic herb" , "There's comfort" , "Unguent" , "Soothing medicine for lamb" , "It's comforting" .)

I've seen this clue in The Guardian.

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.