Silicone vs Saline Implants

Fillable Saline Implant

All Breast Implants consist of an outer casing (called the ‘shell’ or ‘wall’) plus an inner filler material which is either saline or silicone.

Silicone and saline implants have different characteristics as set out in the following table:


Saline Implants Silicone Implants
Filler Material Saline (Salt Water) Cohesive Silicone Gel
‘Feel’ of the Implants to Touch Less natural
(more of a ‘waterbed’ feel)
More natural because they feel more like breast tissue
Consequences of Wall Rupture Saline Implants simply deflate and breast volume is lost. The saline is absorbed by the body without any harmful effects Cohesive Gel has a shape-retaining memory, so breast volume is not lost. The leaked Silicone could migrate to regional lymph glands but as silicone is an inert material this is not considered a risk to health.
Chances of Spontaneous Deflation Possible None
Silicone Gel “Bleed” through the Shell & Risk of Silicone Granuloma None Possible
Chances of Surface Wrinkling/Rippling Greater Less
Approximate Chances of Capsular Contracture 3% Textured Implants have been reported to generally have a lower risk than Smooth Implants. The percentage risk reported has varied with different studies.


Any surgical or invasive procedure carries risks. Before proceeding, you should seek a second opinion from an appropriately qualified health practitioner.

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