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Sorbitan Tristearate

* A surfactant

* Also known as Span 65

Functions:

Sorbitan Tristearate is a nonionic surfactant used for a variety of purposes, including as a dispersing agent, emulsifier, and stabilizer, in food and in aerosol sprays, according to Wikipedia. It is produced by "reacting the polyol, sorbitol, with a fatty acids (stearic acid, lauric acid, oleic acid, palmitic acid)," all of which are naturally occurring. Sorbitan Tristearate is often derived from plants, and when this is the case, it is approved for cosmetics and personal care products in the European Union as well (CosmeticsInfo.org).

Sorbitan Tristearate is CIR approved with concentration limits.

Safety Measures/Side Effects:

Sorbitan Tristearate is considered a low hazard ingredient by the Cosmetics Database, which does note data gaps in research. The Environmental Canada Domestic Substance List classifies it as "not expected to be potentially toxic or harmful," and no other studies were found that listed negative side effects regarding the use of this ingredient. However, the Sorbitan esters as a group are found to be generally mild skin irritants but nonsensitizers.

Recommended Products w/ Sorbitan Tristearate:

Clinique City Block Sheer Face Protector SPF 15, Ahava Protective Moisturizing Fluid SPF 15
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