Patient unable to understand study information and attend study visits.

Patient did not give consent to participate.

Patients who have had a previous facial rejuvenation treatment in the 3 months prior to the study.

Patients treated with long-term systemic corticosteroids.

Patients with visceral failure, chronic immunological pathology, pregnant or breasfeading women.

Patient participating or having participated in another clinical trial protocol, drug or medical device within 30 days of inclusion.

Patient refusing to participate in the clinical investigation.

Performance and Safety Assessment of SPRING THREAD® Elastic Tensor Thread in Patients With Mild to Moderate Facial Ptosis.