Arm lift, also referred to as brachioplasty is a cosmetic procedure aimed at surgically improving the appearance of your upper arms. It improves contour and tightens the underlying tissue that support the fat and skin in these regions. INDICATIONS FOR AN ARM LIFT. If you have significant excess skin in your upper arms following bariatric surgery, dieting or exercise induced weight loss. If you have loose skin cellulite in the upper arms If you have extreme skin laxity and sagginess of the upper arms If excess skin in arms restricts activities and cause rashes or infections