| Poloxamer 407 Supplied by LY Health is a synthetic block copolymer of ethylene oxide and propylene oxide. This kind of surfactant were firstly developed by America. They have almost no toxicity, little irritation on the skin and the mucosa. They are widely used as emulsifier, solubilizing agent, hydrophilic substrate of ointments and suppositories, artificial tear and artifical skin etc. |
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