"Silicon breasts" is a common, though somewhat outdated, term for silicone breast implants. These implants are used in breast augmentation surgery to increase breast size, shape, or symmetry.

Here's a breakdown:

* Silicone: The implants are made of medical-grade silicone, a soft and flexible material that is safe for use in the body.

* Breast implants: They are surgically placed under the breast tissue or chest muscle.

* Augmentation: The procedure is called breast augmentation, and it's a common cosmetic surgery.

Important to note: It's essential to consult with a qualified plastic surgeon for accurate and safe information about breast implants. They can discuss the risks, benefits, and options specific to your individual situation.