PEG-40 Stearate is an ester mixture of polyethylene glycol and stearic acid. It is used to emulsify solvents in cosmetic formulas, can contribute to improved product texture, and in larger quantities it can also be a cleaning agent. PEG-40 Stearate can be animal-derived or synthetic; LNDA uses only synthetic form. It is one of the many PEG compounds that are considered safe as used in cosmetics.
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