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Ingredient · Preservative

Citrus grandis seed extract

Mixed · 6/10, higher is cleaner

How we reached this

Grapefruit seed extract used as 'natural' preservative. Concern: independent testing has repeatedly found unlabeled synthetic preservatives (benzethonium chloride, methylparaben, triclosan) in commercial GSE products, suggesting the 'natural' antimicrobial claim is often unverified.

Sources · 1

Products containing this · 2

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 2026-05-25.