“…Furthermore, a strong chin has been associated with self-confidence, authority, and trustworthiness [5], whereas submental convexity or fullness can make an individual appear overweight and older. One common cause of submental fullness is accumulation of submental fat (SMF), which often presents as a double chin [6,7]. Although weight gain secondary to diet and lifestyle can contribute to accumulation of SMF [8,9], aging [8,10,11], and genetics [8,9] play a major role.…”