The U.S. Food and Drug Administration (FDA) has issued warning letters to more than a dozen companies accused of selling counterfeit Botox-like products and other unapproved injectable liquids. This enforcement push highlights the agency’s focus on patient safety in cosmetic injections and aims to curb dangerous practices in clinics and for-profit sellers. What are these “mystery liquids”? In regulatory and consumer reports, the term refers to unverified, misbranded, or unapproved injectable products marketed to price-conscious clinics and injectors who may lack proper medical oversight. These products can be marketed as Botox substitutes or filler alternatives, but they often bypass essential safety testing and labeling requirements. Why this matters for patients and professionals: Counterfeit injectables pose serious risks, including infections, allergic reactions, nerve damage, and in some cases vision-threatening complications if used around the eyes. Inconsistent dosing and unregulated formulations can lead to unexpected cosmetic results such as asymmetry, drooping, or loss of strength in treated muscles. What consumers should do to stay safe: - Always seek treatment from licensed, board-certified medical professionals in accredited facilities. - Confirm the product being used is FDA-approved for its intended use and is sourced through legitimate, compliant channels. - Be cautious of unusually deep discounts or offers tied to unverified products or clinics with limited oversight. - Ask the clinician about the specific product name, lot number, and manufacturer, and request to see labeling and FDA documentation where available. - Report any suspected counterfeit or unsafe injectable products to the FDA’s MedWatch Safety Information and Adverse Event Reporting Program. Bottom line: The FDA’s warning letters signal a ongoing crackdown on counterfeit Botox products and unapproved injectables. Patients should prioritize safety by choosing qualified professionals, verifying product approvals, and staying informed about regulatory actions in cosmetic aesthetics.