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The ingredient, explained

Sodium Nitrate

A primary study examines this ingredient in the specified preparation and setting.

Oral careSoothing
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Ingredient guide

What it is and what it does

Nitric acid, sodium salt

About this ingredient: EU CosIng ingredient registry (via Open Beauty Facts taxonomy) ↗

Oral care
Supports cosmetic functions in the mouth, such as cleaning or deodorising.
Soothing
A technical role associated with relieving skin or scalp discomfort.

Function definitions: European Commission ingredient function definitions (SCCNFP/0299/00, pages 16 to 20) ↗

Registry functions describe possible formulation roles, not results for a finished product. A dictionary entry is not an approval or a safety assessment.

A closer look

What the research shows

Human oral research

Acute nitrate ingestion changed flow-mediated skin-fluorescence responses to ischemia/reperfusion.

What this does not tell us

Eight healthy adults; mechanistic acute vascular surrogate. Oral route and active-source comparator, no topical benefit or clinical skin outcome.

Sources for this summary. PubMed 38110180 ↗

Research review checked Oct 1, 2026

Bounded review of local candidates, exact-name indexed primary journal/PubMed safety and topical searches; not a systematic review.

Ingredient research is not proof that a product containing this ingredient works.

Read the 1 selected study

Follow the formula

Products containing this ingredient

All 8 products ↗

From the wider catalogue. Linked by the ingredient list, without an efficacy ranking.

Names and identifiers

Registry identity

Nitric acid, sodium salt

INCI name on ingredient lists
SODIUM NITRATE
CAS registry number
7631-99-4
EC number
231-554-3

Sources for this ingredient record