Caprylhydroxamic Acid
INCI · Caprylhydroxamic Acid · also CHA, Octanohydroxamic acid
Overview
A hydroxamic acid used to keep formulas microbiologically stable, chiefly by binding the trace metal ions that moulds and yeasts need in order to grow. It is nearly always paired with a glycol such as glyceryl caprylate or propanediol rather than used alone.
Who it's for
Anyone seeking products preserved without parabens or formaldehyde releasers. It is a formulation choice, not a benefit to skin.
Cautions
It is a preservation aid rather than a broad-spectrum preservative in its own right, so its presence says little about how well a product is actually protected. Marketing sometimes offers it as evidence of a "clean" formula, which is a positioning claim and not a safety finding.
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What does Caprylhydroxamic Acid do in skincare?
A hydroxamic acid used to keep formulas microbiologically stable, chiefly by binding the trace metal ions that moulds and yeasts need in order to grow. It is nearly always paired with a glycol such as glyceryl caprylate or propanediol rather than used alone.
Is Caprylhydroxamic Acid considered safe for skin?
It is a preservation aid rather than a broad-spectrum preservative in its own right, so its presence says little about how well a product is actually protected. Marketing sometimes offers it as evidence of a "clean" formula, which is a positioning claim and not a safety finding.