How Much Glutathione for Skin Whitening Safely Glutathione Injection: Cost, Benefits, and Side Effects GSW injection primarily refers to a Glutathione Super Whitening (GSW) injection, an intravenous cosmetic treatment popular for skin brightening and anti aging effects. Description of GSW Injections Primary Ingredient: The main active ingredient IV Glutathione is one of the most commonly discussed treatments for skin brightening and antioxidant support but like any medical procedure, safety comes first. When administered under the supervision of a Glutathione Injection Side Effects: Common Reactions and How to Manage Them Glutathione Injection in Los Angeles How to Maximize Results