Helps control an oily scalp and stimulates the scalp, promoting hair growth. So important was the herb’s aroma that its name was culled from the Greek thymon, meaning, “to fumigate.” Indeed Roman soldiers bathed in thyme before entering a battle, and in the Middle Ages sprigs of thyme were woven into the scarves of knights departing for the Crusades. Most present-day research has centered on thyme’s ability as an antibacterial and anti-infectious agent, even when diffused in the air