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The ingredient, explained

Capsaicin

A controlled psoriasis trial tested topical capsaicin.

MaskingSkin conditioning
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Ingredient guide

What it is and what it does

N-[-4-Hydroxy-3-methoxyphenyl-methyl]-8-methyl-6-nonenamide

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

Masking
Reduces or conceals the formula's underlying odour or taste.
Skin conditioning
A broad cosmetic role for maintaining skin condition. It does not identify a particular clinical benefit.

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

It examined and reported improvements in disease-related itch and severity.

What this does not tell us

Medical indication and irritation potential do not establish everyday sensitive-skin benefit.

Sources for this summary. PubMed 7688774 ↗

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

Follow the formula

Products containing this ingredient

All 1 products ↗

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

Names and identifiers

Registry identity

N-[-4-Hydroxy-3-methoxyphenyl-methyl]-8-methyl-6-nonenamide

INCI name on ingredient lists
CAPSAICIN
CAS registry number
404-86-4
EC number
206-969-8

Sources for this ingredient record