The source was earlier.
The first step was missing. Surface products were being asked to meet the whole day after odor had already arrived.
As we studied odor pathways more closely, the direction became clear. Many freshness cues people try to manage externally are influenced before they reach the surface.
The early clue came from chlorophyll-rich daily routines. People noticed cleaner breath, less midday checking, and a quieter daily rhythm. The problem was consistency. Greens were expensive, inconvenient, and difficult to dose with precision.

