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Ingredient · Preservative

Gluconolactone

Cleaner · 8/10, higher is cleaner

How we reached this

Polyhydroxy acid used as a gentle preservative booster and chelator; food-grade (GRAS, 21 CFR 184.1318 as glucono delta-lactone). Well tolerated on infant skin; a standard paraben alternative.

Sources · 1

Products containing this · 1

About this rating

Ratings run 1–10, higher is cleaner, and are set editorially against the sources above — see the methodology page for how an ingredient rating becomes part of a product score. Last reviewed 2026-08-16.