Double Chin Causes and Improvement: From Daily Habits to Fat-Dissolving Injections

The causes of a double chin are varied, including: innate genetics (thicker chin fat or a bony structure that makes the chin look more prominent), weight gain (fat accumulating around the chin), ageing (reduced muscle and skin elasticity, forming a sagging appearance under gravity), poor posture (long periods looking down at a phone or computer, with the neck tilted forward), and chewing habits (insufficient chewing leaving the jaw muscles lax).

Daily improvement methods

• Facial exercise: training the chin and neck muscles (looking up, opening the mouth, and similar), which may help improve the chin line
• Massage: a light morning massage of the chin area can help improve puffiness and promote local circulation
• Dietary control: reduce high-sugar, high-fat and high-salt foods; increase fruit, vegetables and lean protein

Medical aesthetic option: fat-dissolving injections

For stubborn double-chin fat, fat-dissolving injections may be considered. Taking deoxycholic acid (DCA) as an example, it can disrupt the fat-cell membrane, leading to irreversible fat-cell breakdown and permanently reducing the number of fat cells in a double chin.

• A non-surgical method, with no incision; the doctor designs a plan according to the individual
• 2–3 sessions are needed, about 1 month apart
• Swelling peaks 24–48 hours after injection; chin swelling gradually settles over an average of 7–14 days
• There may be a brief dull, numb sensation during injection; burning and swelling afterwards are more noticeable; ice packs can reduce pain

Precautions

• Those allergic to the product ingredients, or with bleeding or coagulation disorders, are not suitable
• Those with excessive skin laxity and obvious vertical neck lines will have limited results from fat-dissolving injections alone
• Pregnant and breastfeeding women are not suitable

The key to improving a double chin is first judging the cause: a fat-type double chin suits fat-dissolving injections; a laxity-type may need a tightening treatment as well.