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Weak Chin

Weak Chin

A weak or “retruded” chin is one that sits behind the line of the lower lip and lacks forward projection, often making the lower face look unbalanced — the nose can appear more prominent, the jawline less defined, and the area under the chin can look fuller than it is. Non-surgical chin augmentation can restore profile balance using hyaluronic acid filler placed deep on the bone, collagen biostimulators, autologous regenerative options, and — where the chin is dimpling from muscle strain — micro-doses of muscle-relaxing injection.

Medically reviewed by Dr Bhavin Garara, GMC 7155707 · Last reviewed: 16 February 2026

What it is

What Is a Weak Chin?

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The chin’s position is determined by the shape and projection of the mandible (lower jawbone), the soft tissues over the bone (muscle, fat pad, skin), and the activity of the mentalis muscle on the chin pad itself. Profile assessment uses simple anatomical references — including the Ricketts’ E-line, an imaginary line drawn from the tip of the nose to the most forward part of the chin. In a balanced profile the lower lip sits slightly behind this line. A retruded chin falls well behind it.

Dr Bhavin Garara’s approach is to identify whether the issue is skeletal (true projection of the bone), soft-tissue (volume distribution), muscular (a hyperactive mentalis pulling the chin upward), or a combination, then choose treatments accordingly. Non-surgical options can produce meaningful change for many patients but cannot replace surgical genioplasty where bone repositioning is genuinely needed.

What causes it

What Causes a Weak Chin?

  1. 1

    Skeletal projection (genetic / developmental)

    The most common cause is the shape and projection of the mandible itself — a feature of bone structure, often shared across a family. This is not a medical problem; it is variation in anatomy.

  2. 2

    Age-related bone remodelling

    The mandible gradually changes shape and reduces in projection with age, so the chin can feel less prominent over decades.

  3. 3

    Soft-tissue volume loss

    Loss of fat-pad volume over the chin and adjacent jawline can make the bony chin look smaller and less supported.

  4. 4

    Mentalis hyperactivity

    The mentalis muscle on the chin pad can become hyperactive, producing a dimpled or “orange-peel” surface and pulling the chin upward — which makes it look shorter and less projected.

  5. 5

    Effect on adjacent areas

    A weak chin can make the nose look more prominent, the area under the chin look fuller (sometimes misread as a “double chin”), and the jawline less defined — even when the rest of the face is unchanged.

Dr Bhavin Garara
Dr Bhavin Garara, MBBS, BMedSci, PGDip
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Dr Garara's approach

How Dr Bhavin Garara Treats Weak Chin

The plan usually combines structural support on the bone with mentalis relaxation if needed, and may include energy-based skin treatments where laxity below the chin is part of the picture.

At the clinics in London, Dr Garara assesses at consultation your profile and Ricketts’ E-line, the projection and shape of the mandible, the soft-tissue pad over the chin, the activity of the mentalis muscle, and how the chin relates to the rest of your face (nose, lip, jawline, neck).

  • Anatomy-led assessmentTreatment plans built around your unique facial structure and movement.
  • Personalised planCombinations chosen for your skin, goals, and lifestyle — not a one-size-fits-all protocol.
  • Natural resultsA refreshed, well-rested version of you — never a frozen or over-treated look.

Features

Treatment Options for Weak Chin

HA filler, biostimulators, Seffiller, mentalis relaxation, and RF microneedling — layered to suit each profile.

Hyaluronic acid (HA) filler for structural projection

Hyaluronic acid (HA) filler for structural projection

Dense, cohesive HA placed deep on the bone projects the chin forward and downward, restoring profile balance. Reversible with hyaluronidase.

Collagen biostimulators

Collagen biostimulators

PLLA or CaHA preparations (including HA + CaHA hybrids) gradually build collagen around the chin and pre-jowl area, blending the projected chin into the jawline.

Seffiller — autologous regenerative treatment

Seffiller — autologous regenerative treatment

Clinic-specific autologous fat-grafting (SEFFI / microfat technique). A proportion of the transferred fat integrates and lasts; results vary between individuals.

Prescription muscle-relaxing injections (mentalis relaxation)

Prescription muscle-relaxing injections (mentalis relaxation)

Where the chin dimples from a hyperactive mentalis, micro-doses ease the upward pull, smoothing the surface and allowing a more projected resting position.

Radiofrequency microneedling

Radiofrequency microneedling

Sylfirm X delivers radiofrequency through fine needles to encourage tightening of lax submental skin contributing to a less defined profile.

See SkinPen microneedling
Surgical referral

Surgical referral

For significant skeletal retrusion that does not respond adequately to non-surgical care, surgical genioplasty by a maxillofacial surgeon may be the right pathway. The clinic does not perform surgery.

Treatment usually combines structural support on the bone with mentalis relaxation where the chin is dimpling, and may include skin-tightening where submental laxity is part of the picture. Surgical genioplasty is the right pathway where bone repositioning is genuinely needed.

Hyaluronic acid (HA) filler for structural projection

  • Best for: Immediate projection and profile balancing; reversible
  • Downtime: 1–3 days of mild swelling
  • Lasts: Around 12–18 months in this area

The most immediate non-surgical approach is dense, cohesive hyaluronic acid (HA) filler placed deep on the bone of the chin to project it forward and downward, restoring profile balance. Specific product choice is decided at consultation. The aim is balance, not bulk — Dr Garara tailors projection to each patient’s face shape and goals.

Hyaluronic acid filler is reversible — it can be dissolved using an enzyme called hyaluronidase. If you are considering correcting or reversing previous filler, or want to understand more about how filler can be safely removed, see our page on filler removal and dissolving.

See our page on filler removal and dissolving.

Collagen biostimulators

  • Best for: Gradual longer-term firming and structural enhancement
  • Downtime: 1–3 days of localised swelling
  • Lasts: Around 12–18 months following a course

For longer-term firming and gradual structural enhancement around the chin and pre-jowl area, collagen biostimulators — poly-L-lactic acid (PLLA) or calcium hydroxyapatite (CaHA) preparations including HA + CaHA hybrids — gradually build collagen over weeks and months, blending the newly projected chin into the jawline.

Seffiller — autologous regenerative treatment

  • Best for: Selected patients with volume loss; autologous preference
  • Downtime: 5–10 days of swelling or bruising
  • Lasts: Variable — a proportion of transferred fat integrates and lasts; results vary

For patients suited to it, Seffiller is the clinic’s autologous regenerative treatment using your own fat (the SEFFI / microfat technique). Seffiller is autologous (uses your own tissue, not a manufactured product) and is described as autologous fat grafting for facial volume restoration. A proportion of the transferred fat integrates and provides long-lasting volume; results vary between individuals. Seffiller is not a polynucleotide and not an off-the-shelf HA filler. Suitability is decided carefully at consultation.

Prescription muscle-relaxing injections (mentalis relaxation)

  • Best for: Dimpled chin / mentalis strain pulling the chin up
  • Downtime: None — brief pinpoint redness
  • Lasts: Around 3–4 months

Where the chin is dimpled or pulled upward by an overactive mentalis muscle, very small doses of prescription muscle-relaxing injection in the mentalis can ease the upward pull, smoothing the surface and allowing the chin to sit in a more projected resting position.

Prescription muscle-relaxing injections work by temporarily reducing the activity of specific muscles, so the skin above them stops folding with each movement. The active ingredient is botulinum toxin type A, a purified protein delivered in very small, precisely placed doses. These are prescription-only medicines in the UK, which means they can only be prescribed and administered by a qualified medical prescriber following a face-to-face consultation. Whether this treatment is suitable for you, and what specific product or dose would be used, is something Dr Garara will discuss with you at consultation. It is not suitable for everyone.

Mentalis treatment with botulinum toxin is what’s known as “off-licence” — established, lawful practice in qualified medical hands, but not specifically licensed by UK regulators for this particular indication. Dr Garara will explain this fully at consultation, including why he considers it appropriate for your case, and will obtain your informed consent before any treatment.

Radiofrequency microneedling

  • Best for: Lax submental skin contributing to profile
  • Downtime: 2–4 days of mild redness
  • Lasts: Long-lasting; collagen remodelling continues for months

For lax submental (under-chin) skin contributing to a less defined profile, radiofrequency microneedling with Sylfirm X delivers radiofrequency energy into the dermis to encourage tightening and collagen remodelling. Treatment for higher Fitzpatrick skin types (IV–VI) requires careful device selection and conservative settings; Dr Garara has particular experience in aesthetic medicine for skin of colour and tailors accordingly.

Surgical referral

  • Best for: Significant skeletal retrusion not suited to non-surgical care
  • Downtime: Surgical recovery
  • Lasts: Long-lasting

For significant skeletal retrusion that does not respond adequately to non-surgical options, genioplasty (surgical chin repositioning) by an oral and maxillofacial surgeon may be the right pathway. The clinic does not perform surgery; Dr Garara will say so honestly at consultation.

Considering treatment for a weak chin?

Book a consultation with Dr Bhavin Garara to discuss whether a non-surgical approach suits your profile.

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Compare at a glance

Treatments at a Glance

HA filler deep on the bone

Best suited for
Immediate projection and profile balancing; reversible
Typical downtime
1–3 days of mild swelling
How long results last
Around 12–18 months in this area
What it does
Adds forward projection deep on the bone

Collagen biostimulators (PLLA / CaHA / HA + CaHA)

Best suited for
Gradual longer-term firming and structural enhancement
Typical downtime
1–3 days of localised swelling
How long results last
Around 12–18 months following a course
What it does
Builds new collagen over months

Seffiller (autologous)

Best suited for
Selected patients with volume loss; autologous preference
Typical downtime
5–10 days of swelling or bruising
How long results last
Variable — a proportion of transferred fat integrates and lasts; results vary
What it does
Restores volume using the patient’s own tissue

Mentalis muscle-relaxing micro-doses

Best suited for
Dimpled chin / mentalis strain pulling the chin up
Typical downtime
None — brief pinpoint redness
How long results last
Around 3–4 months
What it does
Eases muscle pull so the chin rests more naturally

Radiofrequency microneedling

Best suited for
Lax submental skin contributing to profile
Typical downtime
2–4 days of mild redness
How long results last
Long-lasting; collagen remodelling continues for months
What it does
Tightens and remodels the skin

Surgical genioplasty (not offered here)

Best suited for
Significant skeletal retrusion not suited to non-surgical care
Typical downtime
Surgical recovery
How long results last
Long-lasting
What it does
Surgical repositioning by a maxillofacial surgeon

Downtime and duration figures are typical averages only. Individual results vary considerably. Dr Garara will give you a more personalised picture at consultation.

Safety & risk

Is Chin Treatment Safe?

The chin and jawline are supplied by branches of the facial artery and the mental artery. Filler or biostimulator placed deep on the bone of the chin sits over bone, which reduces the risk of intra-arterial events, but any injection in the face carries a small but recognised risk of vascular complications. The mental nerve exits the bone in this area and bruising or transient altered sensation can occur. The area should only be treated by an experienced medical practitioner who understands the anatomy and is equipped to manage complications — including the immediate availability of hyaluronidase to reverse hyaluronic acid filler.

We share this not to alarm you, but because patients deserve full information. Dr Garara is always happy to discuss the specific risks of any treatment in detail at your consultation.
  • Qualified medical practitionerTreatment carried out by an experienced doctor with detailed anatomical training.
  • Reversal agents on handHyaluronidase and other complication-management tools are immediately available.
  • Full informed consentRisks, alternatives, and expected outcomes discussed in detail before any treatment.
Dr Bhavin Garara
Reviewed byDr Bhavin Garara

Frequently Asked Questions

Common questions about non-surgical chin augmentation.

Read next

Related Concerns

A weak chin connects to other lower-face concerns. You may also want to read about:

← All face concerns

For an overview of all the facial concerns we treat, visit our Face treatments hub.

Next step

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This page is for general information and does not constitute medical advice. All treatments require a personal consultation. Suitability, risks, and expected outcomes will be discussed with you in detail before any treatment is carried out.