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Poloxamer
188 (Block polymer of 81 % PEG and 19 % PPG)
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Used
as emulsifier, solubilizer, suspension stabilizer, thickener
in liquids, orals, topicals, parenterals and for enhancing
bioavailability in solid preparations. Micronized grades avoids
segregation of powder blends, gives a homogenous mixture of
actives and excipients, which results in content uniformity
concerns with tablets
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