Flagged ingredient
The odor-neutralizer in many aluminum-free deodorants. Effective and food-grade safe, but its alkaline pH is the single most common cause of underarm irritation in natural deodorants — the trade for going aluminum-free.
Raters don't agree. Here's where each one stands
EWG Skin Deep
Nonprofit
INCI Beauty
Ad-supported
Yuka
Subscription
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EWG Skin Deep
Nonprofit
Rated low hazard; a well-characterized ingredient with no toxicity or bioaccumulation concerns.
Yuka
Subscription
Generally safe, but flags pH-driven irritation risk on sensitive underarm skin with daily use.
Coverage & match quality
7 ratings · 4 of 4 axes
INCI Beauty
Ad-supported
Listed as a satisfactory buffering/odor-control ingredient; no usage restriction.