Introduction A double chin — also known as submental fullness — can appear due to genetics, aging, weight gain, poor posture, or even bone structure. The main causes a double chin include carrying excess weight, genetic predisposition, and natural aging, which can all contribute to the accumulation of fat or loose skin under the chin. In Singapore, many seek ways to achieve a sharper, more defined jawline for a youthful, V-shaped profile. Good news: There are multiple ways
