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Effect of facial muscle exercise using a Pao device on facial rejuvenation and lip side to side movement during smile

Effect of facial muscle exercise using a Pao device on facial rejuvenation and lip side to side movement during smile

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
CRIS
Registry ID
KCT0002808
Enrollment
50
Registered
2018-04-20
Start date
2016-10-31
Completion date
Unknown
Last updated
2019-03-11

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

None listed

Interventions

Others(facial exercise) : The participants also received written instructions and a video for each exercise, along with advice on how to incorporate training into their daily routine. Participants wer

Sponsors

Yonsei University
Lead Sponsor

Eligibility

Sex/Gender
Female

Inclusion criteria

Inclusion criteria: Fifty women who met our inclusion and exclusion criteria were recruited in Korea from those who filled out a questionnaire and answered positively concerning nasolabial folds or skin sagging around the mouth or jawline.

Exclusion criteria

Exclusion criteria: The exclusion criteria were (1) history of dermatological interventions on or around the mouth or jaw, such as laser treatment, chemical peels, injection of botulinum toxin, and dermal fillers, during the past 3 years; (2) history of plastic surgery on or around the mouth or jaw during the past 3 years; (3) history of cosmetic enhancement through facial muscle exercise; (4) history of smoking; and (5) dimpled face. All participants signed an informed consent form regarding the potential risks and benefits of facial muscle exercise using Pao.

Design outcomes

Primary

MeasureTime frame
Quantitative measurements of facial muscle thickness;Quantitative measurements of facial muscle cross sectional area;Quantitative measurements of facial surface distances;Quantitative measurements of facial surface areas;Quantitative measurements of facial volumes

Secondary

MeasureTime frame
Wrinkle Severity Rating Scale;Face Visual Scale: wrinkles;Face Visual Scale: jawline sagging

Countries

Korea, Republic of

Contacts

Public Contactui-jae Hwang

Yonsei University

hwangu33@nate.com+82-33-760-2971

Outcome results

None listed

Source: CRIS (via WHO ICTRP) · Data processed: Feb 4, 2026