Polyquaternium-1

  • Polyquaternium-1

    Polyquaternium-1

    Polyquaternium-1,also named as Polidronium Chloride,PQ-1,is a detergent-type preservative derived from BAK.It’s formulated in the mid of 1980s by Alcon as a preservative for contact lens storage solutions.Nowadays,it is being increasingly used as a presverative in ophthalmic drops for glaucoma, artificial tear solutions and top cosmetic formuations. Key Technical Parameters: (1) 95~100% Powder: Appearance Amber to dark brown solid Odor Without Stimulation Water solubility Full Soluble ...