Last reviewed May 2026 · 1 min read
Is PEG-100 Stearate vegan?
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Source can be plant or animal.
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It depends — Made by combining polyethylene glycol (synthetic) with stearic acid.
01 · The basics
What is PEG-100 Stearate?
A popular emulsifier used in cosmetics to give creams a soft, luxurious feel.
02 · The source
Where it comes from
Made by combining polyethylene glycol (synthetic) with stearic acid. The stearic acid can be animal-derived (tallow) or plant-derived. Verification is needed.
03 · Alternatives
Best vegan alternatives
Plant-derived PEG-100 Stearate
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Frequently asked
FAQ
Is PEG-100 Stearate vegan?
Only if the stearic acid used in its production was derived from plant sources like palm or soy.
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