Sodium Formate

Sodium formate is the sodium salt of formic acid, a small organic carboxylate used in cosmetics. It adjusts and stabilizes pH, supports preservation systems, and helps formula stability in water-based products.
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Ingredient Snapshot

Overview
A small salt that helps stabilize a formula's pH and preservation.
Category
Skin Conditioning
Type
Buffer

Ingredient Ratings

Overall Rating

Fair

Comedogenic Risk

None

Skin Benefits

It helps keep acidity in a skin-comfortable range, reducing irritation risk from pH drift, and supports preservative efficacy to maintain product freshness.

Uses In Skincare & Cosmetics

It's used in water-based formats such as toners, serums, gels, and lotions to maintain stable pH throughout shelf life.

Comedogenic Rating

This ingredient is not typically evaluated for comedogenicity, and no standardized rating is available.

Safety

It's generally low risk at typical cosmetic levels, though mild, transient irritation can occur on sensitive or damaged skin. No widely recognized cosmetic-use restrictions apply.

Is Sodium Formate a Good Ingredient?

It rates Fair: it's valuable for pH control and preservative support, but offers little direct skincare benefit on its own, and at higher levels or on compromised skin it may sting.