The ingredient, explained
Nitrogen
A controlled trial examined liquid-nitrogen cryotherapy for plantar warts.
Ingredient guide
What it is and what it does
Nitrogen
About this ingredient: EU CosIng ingredient registry (via Open Beauty Facts taxonomy) ↗
- Propellant
- Creates pressure to dispense a product from an aerosol container.
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 topical treatment study
Clearance did not differ significantly from salicylic acid.
What this does not tell us
Physical freezing therapy does not establish cosmetic ingredient benefit.
Sources for this summary. PubMed 21652750 ↗
Research review checked Oct 1, 2026
Review supplied candidate titles and available abstracts selectively for exact identity; targeted primary PubMed/publisher searches. This is not an exhaustive systematic review.
Ingredient research is not proof that a product containing this ingredient works.
Read the 1 selected study
Human topical treatment study · n=240
Cryotherapy versus salicylic acid for the treatment of plantar warts (verrucae): a randomised controlled trial. ↗
BMJ (Clinical research ed.) · 2011
Follow the formula
Products containing this ingredient
From the Serenfold edit. Linked by the ingredient list, without an efficacy ranking.
Names and identifiers
Registry identity
Nitrogen
- INCI name on ingredient lists
- NITROGEN
- CAS registry number
- 7727-37-9
- EC number
- 231-783-9
Sources for this ingredient record
- EU CosIng ingredient registry (via Open Beauty Facts taxonomy) ↗ · ODbL 1.0 (Open Beauty Facts database) · Recorded Aug 8, 2026