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St

Steareth-20

Steareth-20 · Steareth-21

A mixing helper that lets oil and water blend into a stable cream.

What it does

Steareth-20 and the close relative steareth-21 are emulsifiers made from stearyl alcohol. They help oil and water blend into a stable cream, and they’re often paired with a lower-numbered steareth to get the balance right.

Browse all 1238 ingredients — grouped by what they do, each with whatever evidence we can cite.

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