Can a gel injection sharpen the jawline? a trial puts it to the test

NCT ID NCT07805512

What the study statuses mean

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Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting This study
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Sep 04, 2026 · Last updated Sep 04, 2026

Summary

Researchers are testing whether Restylane Shaype, an injectable gel made of hyaluronic acid, can improve jawline definition in Chinese adults. The study includes about 162 participants aged 18 and older who want treatment on both sides of their jaw. Two-thirds receive the gel, while the rest get no treatment. Blinded evaluators will rate jawline improvement using a standard scale to see if the gel makes a visible difference.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
Restylane Shaype, an injectable gel of crosslinked hyaluronic acid with lidocaine
What this could lead to
If it works, this could offer a safe, effective option for people seeking a more defined jawline without surgery.
What could go wrong
This is an early-stage trial, so results may not hold in larger groups. Risks include allergic reactions, bruising, or uneven results from the injection.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

About 162 people

The number the study aims to enrol. It can still change while the study runs.

Expected to start

Sep 2026

An estimate. Start dates often move.

Expected to finish

Mar 2028

An estimate. End dates often move.

Lead sponsor

A company

The lead sponsor is a pharmaceutical, biotech, or medical-device company.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 years and older

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: 1. Males and non-pregnant, non-breastfeeding females of Chinese origin and aged 18 years or older. 2. Intent to receive bilateral jawline definition treatment. Exclusion Criteria: 1. Known/previous allergy or hypersensitivity to any injectable hyaluronic acid (HA) gel or to gram positive bacterial proteins. 2. Known/previous allergy or hypersensitivity to local anesthetics, e.g. lidocaine or other amide-type anesthetics. 3. Previous or present multiple allergies or severe allergies, such as manifested by anaphylaxis or angioedema, or family history of these conditions. 4. Prior surgery in the treatment area that in the Treatment investigator's opinion could interfere with the study safety and/or effectiveness assessments. 5. Any previous aesthetic procedures or implants. 6. Presence of any disease or lesions near or in the area to be treated.

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As listed by the trial registrant

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How to take part

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  2. The places running it

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Contacts and locations

Study contacts

  • Contact

    Email: •••••@•••••

Locations

  • Galderma Investigational Site #6340

    Beijing, Beijing Municipality, 100000, China

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