Availability and Properties of Eye Preserved (PHMB)
Question
What are the properties, suitable applications, and compatibility of the preservative `Eye Preserved` (Polyhexamethylene Biguanide, PHMB)? Specifically, is it compatible with anionic substances such as `Hyaluronic Acid`, `Xanthan Gum`, `Carbomer`, and various `Cream Makers`/`Gel Makers`?
Answer
Regarding the availability of Eye Preserved, I cannot provide a specific date for when it will be back in stock based on the information I have. Eye Preserved (Polyhexamethylene Biguanide, PHMB) is a preservative designed for sensitive applications, particularly around the eyes or for sensitive skin formulas. It is also suitable for use in disinfectants like wet wipes or contact lens solutions. It is heat resistant, colorless, odorless, and formaldehyde-free. It dissolves in water and is resistant to UV light. It has broad germicidal ability against bacteria and some viruses. Please note that it is incompatible with anionic substances such as Hyaluronic Acid, Xanthan Gum, Carbomer, and various Cream Makers/Gel Makers.
