Herb garnishes — most notably fresh mint, rosemary, basil, and thyme — contribute aromatic intensity and visual freshness that elevate the sensory experience of a cocktail before the first sip. A slapped or spanked sprig of mint releases volatile oils that perfume the air above the glass, creating an aromatic preview of the drink below, as seen in the iconic Mint Julep or Mojito. Their role bridges the gap between garnish and ingredient, as the nose-forward aromatics of fresh herbs are integral to the drink's complete flavor perception.