Injections of dermal filler along the full jawline, the chin and the marionettes folds, to improve the contour of the jawline (mandibulo-cervical angle) and bring forward a chin that sits too far back:
Injections focussing on the front of the jawbone only, with an aim to improve the appearance of the jowl area by placing filler behind and infront of the jowl.
Botulinum Toxin, injected into the platysmal bands, to soften their effect on the overlying skin (see below).