Both of these effects were canceled in the presence of an antagonist of melanocortin receptors 3 and 4, confirming receptor-mediated mechanisms
Injectable products carry additional concerns, including sterility, storage, dose accuracy, and patient safety
Bacteriostatic Water Injection by Hospira, Multiple Dose Vials 30 mL 25/Pack (Rx) Bacteriostatic Water for Injection is a pharmaceutical-grade sterile diluent formulated with 0.9% benzyl alcohol as a preservative, enabling safe multiple withdrawals from a single vial without contamination when aseptic technique is maintained
Hospira has been a Pfizer company since 3 September 2015
Ingredients like licorice root extract, vitamin C, or niacinamide can provide skin-brightening benefits without the use of glutathione