Glutathione Brightening Shots Subtly You Glutathione Injection VITAstir Clinic 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: 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