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Polysorbates

Polyoxyethylene Sorbitan Fatty Acid Esters

Polysorbates
Polysorbates are a series of partial fatty acid esters of sorbitol and its anhydrides copolymerized with approximately 20, 5, or 4 moles of ethylene oxide for each mole of sorbitol and its anhydrides
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Polysorbates
Polysorbates
Primary function
Wetting agent
Typical use level
0.1 - 3%
Physical data

  • Depend on grades (liquid, solid), type of substituents and application

Benefits / Claims
As wetting agent, they lower the surface tension, helping the spreadability and increasing the adhesive properties
Suitable for
Cream/ Emulsion
Softgel Capsules
Buccal
Oral Suspensions
Oral Syrup
Oral Solutions
Gel
Lotion

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