Why facial asymmetry occurs after filler injections VnExpress Incorrect injection techniques, unknown filler origins, or low-quality products can cause facial asymmetry, deformation, and a risk of complications.
Signs of skin necrosis after filler injection VnExpress Skin discoloration, tightness, swelling, pain at the injection site, and the appearance of blisters, rashes, or ulcers are all signs of skin necrosis following filler injections.
