Harley Street Doctors · Since 2007

    Masseter Botox Before & After Results

    Real patient outcomes following masseter Botox treatment at our Harley Street clinic. Each case demonstrates varying degrees of jawline reduction — from moderate muscle refinement to more pronounced facial slimming — achieved through doctor-led treatment tailored to individual facial anatomy and natural balance.

    Before and after masseter Botox showing reduced jaw muscle bulk from angled view
    Reduction in jaw muscle bulk creating a softer lower-face contour. Angled view highlights improved jaw angle proportions.
    Masseter Botox before and after comparison from side and front profile
    Gradual facial slimming following masseter treatment. Side-by-side comparison demonstrates natural narrowing of the lower face.
    Before and after split view showing jawline slimming with masseter Botox
    Split-view comparison showing refined lower-face proportions. The jawline transitions from a wider profile to a more tapered contour.
    Masseter Botox progressive results showing facial slimming over time
    Progressive facial slimming visible over a sustained treatment period. Improved facial harmony with natural balance preserved.
    Long-term masseter Botox results with facial contouring improvement
    Long-term contouring outcome with visible reduction in masseter muscle prominence. Natural facial structure maintained throughout treatment.
    Before and after masseter Botox showing face shape transition from square to oval
    Transition from a square lower-face profile to a softer oval contour. Demonstrates the range of visible change achievable with targeted treatment.

    What These Results Demonstrate

    The photographs above illustrate the visible reduction in masseter muscle bulk that can occur following targeted treatment. In each case, the lower face transitions from a wider, more angular profile towards softer, more balanced proportions — while preserving the patient's natural facial structure.

    Outcomes vary depending on individual muscle strength, facial anatomy, and the treatment plan agreed upon during consultation. These images represent a range of results and are shown to provide an honest view of what may be achieved.

    Results vary depending on muscle strength, facial anatomy, and treatment plan.

    For Practitioners

    Masseter Botox Injection Technique

    Healthcare professionals can explore our advanced masseter injection technique through our online training programme. This educational resource covers anatomical landmarks, injection protocols, and dosing considerations for jawline contouring.

    This video is intended for qualified healthcare practitioners only.

    Learn More About Masseter Botox

    A consultation is required to assess suitability and expected outcomes.

    Learn more about masseter Botox treatment

    All treatments shown are performed by GMC-registered doctors at our Harley Street clinic.