Field Notes · March 1, 2026 · 5 min · By Rohan Chatterton
Capsular contracture: the most common implant complication
Why scar tissue can harden, and how it is prevented and treated.

Capsular contracture is the breast augmentation complication patients are most likely to encounter, and understanding it demystifies a common concern.
The body naturally forms a thin scar capsule around any implant, which is normal and usually soft and unnoticeable. In capsular contracture, that capsule thickens and tightens, squeezing the implant, causing the breast to feel firm, look distorted or higher, and sometimes ache. The exact cause is not fully known but is thought to involve low-grade inflammation or bacterial contamination of the implant pocket, which is why surgeons use meticulous sterile technique, minimal-touch implant handling, and antibiotic irrigation to lower the risk.
When contracture does occur and is bothersome, treatment is usually surgical, removing or releasing the scar capsule and often replacing the implant, sometimes changing placement or implant type to reduce recurrence. Severity is graded, and mild cases may be monitored. The reassuring context is that significant capsular contracture is not the common outcome, modern technique has reduced its frequency, and it is treatable when it happens. For patients, the practical points are choosing a surgeon who uses contracture-minimizing technique, and reporting new firmness or distortion promptly so it can be assessed, early attention generally makes management easier.
Related reading: Breast implant safety: a clear-eyed look and Cohesive gel implants and the shape question.