Аннотация:Botulinum toxin type A treatment is a safe and effective treatment for facial lines. Patient satisfaction with treatment has not yet been systematically measured and reported.To create a valid and reliable questionnaire to assess patient satisfaction with facial line treatment and to assess treatment satisfaction in facial line patients.Development of the Facial Line Treatment Satisfaction (FTS) Questionnaire followed the five-step process recommended by the Patient Reported Outcomes Harmonization Committee.One hundred fifty-two pilot test participants received botulinum toxin type A treatment alone or in combination with a minimally invasive facial line treatment and were satisfied or very satisfied with their facial lines treatment.The FTS is a valid and reliable 14-item questionnaire that measures an aesthetic patient's satisfaction with facial line treatment. The FTS can be used in clinical practice or clinical trials of facial line treatments. Botulinum toxin type A treatment is associated with high patient satisfaction.