BTX/A is injected into the trapezius muscles to relieve shoulder tension, pain, and tension headaches. Aesthetic benefits include a longer, more elegant neck and shoulder line — often referred to
as the “Barbie look” or “Swan neck.”
🕒 Onset: Relief from tension and headaches may begin within 5 – 10 days; visible contouring develops over 2 – 4 weeks
⏳ Longevity: Typically 3–6 months