They can be injected with dermal fillers to fill these lines and create a smooth appearance. Platysmal bands appear like guitar strings under the skin. They are strips of muscles that can be injected with our neurotoxin injections to halt their contraction and create a more relaxed appearance. If your aging neck is starting to cause you concern, schedule a complimentary consultation with one of our expert injectors. They will assess your needs and provide a beautiful, natural and smooth result on this delicate area of the body.