In Clinicinjectable
Kybella (Submental Fat Injection)
Medically reviewed by ChokChok · Updated April 15, 2026
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Deoxycholic-acid injections that permanently dissolve the fat under your chin — the FDA-approved double-chin killer.
How It Works
Deoxycholic acid disrupts the cell membranes of fat cells (adipocytes), causing lysis. The destroyed cells are phagocytosed and gradually cleared by the body's own immune system.
What to Expect
Topical numbing, then 15–30 tiny injections placed in a grid under the chin. Expect swelling — significant, pillowy swelling — for 5–10 days. Each session builds on the last.
Deep Dive
Kybella (deoxycholic acid, synthetic version of the bile acid) is the only FDA-approved injectable for the destruction of submental fat. Belkyra is the international name. A series of micro-injections into the fat pad under the chin over multiple sessions chemically destroys fat cells, which are then cleared by the lymphatic system over 4–6 weeks.
Pros
- ✓ Permanent fat destruction — results do not reverse
- ✓ Non-surgical alternative to liposuction
- ✓ FDA-approved with solid clinical data
Cons
- ✗ Significant post-injection swelling is not optional
- ✗ Multiple sessions required
- ✗ Skin laxity not addressed — fat gone doesn't mean contour perfect
Risks & Side Effects
- ⚠ Temporary numbness in chin
- ⚠ Facial nerve injury (rare)
- ⚠ Uneven fat loss if poorly injected
✗
Pregnancy Safety
Avoid during pregnancy
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This is not medical advice. Always consult your healthcare provider or dermatologist before trying new treatments, especially in-clinic procedures.
Frequently Asked Questions
How often should I do Kybella (Submental Fat Injection)?
Series of 2–4 sessions, spaced 6 weeks apart.. Most people see results within first visible result after session 2; final contour at 3–6 months post-last-session..
Does Kybella (Submental Fat Injection) hurt?
The pain level for Kybella (Submental Fat Injection) is moderate. Downtime: 5–10 days of visible swelling.
Is Kybella (Submental Fat Injection) safe during pregnancy?
Kybella (Submental Fat Injection) should be avoided during pregnancy. Consult your healthcare provider about safer alternatives.
What are the risks of Kybella (Submental Fat Injection)?
The main risks and side effects to be aware of: Temporary numbness in chin; Facial nerve injury (rare); Uneven fat loss if poorly injected. Always consult a qualified provider, especially for in-clinic procedures.
How much does Kybella (Submental Fat Injection) cost?
Kybella (Submental Fat Injection) is in the premium range. Typical cost: $1,200–$2,400 per session.