What filler material is inside of a breast implant?
All implants have a silicone rubber shell, which is filled with either medical-grade silicone gel or saline (salt-water solution). Many people believe that silicone-filled implants offer a more natural look and feel than the saline variety. Now that the FDA has determined that silicone gel breast implants are safe for use is cosmetic breast augmentation, they are rapidly becoming the more popular of the two options..