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Ingredient · Preservative

LACTIC ACID

Cleaner · 7/10, higher is cleaner

How we reached this

Organic acid; fermentation byproduct + flavoring. FDA GRAS. Common in fermented foods (yogurt, kimchi) + preservation. Functional + safe at use levels.

Sources · 1

Products containing this · 13

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 2026-05-23.