1. Chin Filler Is a Structural Treatment, and That Sets the Price
Chin filler is not a wrinkle treatment. A firm gel is placed deep, on or close to the bone, to project the chin forward, lengthen it, or square it from the front. Most patients come for profile balance, because a chin sitting noticeably behind the line of the lips reads as a soft jawline even on a face with no visible aging.
Since the work is skeletal rather than superficial, the product has to hold its shape against the weight of the tissue sitting on top of it. Injectors reach for the firmer, more heavily crosslinked gels here rather than the soft ones used in lips or tear troughs, and those sit toward the top of a practice's product menu.
Volume is also not optional the way it is in finer work. A trace of filler softening a line can be right, but a chin that needs to come forward measurably needs enough material to do it. You are paying for a premium structural product, used in a demanding area, in the quantity that area actually takes.