Snapshot
- Overview
- A small salt that helps stabilize a formula's pH and preservation.
- Category
- Skin Conditioning
- Type
- Buffer
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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Our take
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.
What it does
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.
Where you'll find it
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.
Before you use it
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.
Products with Sodium Formate
