Bis-Hydroxypropyl Dimethicone/SMDI Copolymer. Silmer® UR-5050 by Siltech is a 45% active, high molecular weight silicone urethane resin diluted in isododecane. It is used as silicone barrier and...
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INCI
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BIS-HYDROXYPROPYL DIMETHICONE/SMDI COPOLYMER