Saline solution (sterile 0.9% salt water) can be used to inflate body parts -- most commonly ...What Are Saline Injections? (with pictures)Saline injections, a mixture of water and salt, are used for various reasons, including several types of body modifications, acne scar treatment, spider ...Saline Injection Stories - BME: Body Modification Ezineerimentation with Scrotal Saline Injection.