{
 "license": "https://creativecommons.org/licenses/by/4.0/",
 "id": "ifra-hmpcc",
 "type": "Regulation",
 "version": 1,
 "updated": "2026-09-30",
 "station": 2,
 "confidence": "A",
 "sources": [
  "IFRA-044"
 ],
 "body": "IFRA",
 "name": {
  "value": "IFRA Standard: 3 and 4-(4-Hydroxy-4-methylpentyl)-3-cyclohexene-1-carboxaldehyde (HMPCC)",
  "evidence": "documented",
  "source": "IFRA-044",
  "where": "docs/sources/IFRA-044-hmpcc.md:14",
  "quote": "Amendment 49 3 and 4-(4-Hydroxy-4-methylpentyl)-3-cyclohexene-1-carboxaldehyde (HMPCC)",
  "confidence": "A"
 },
 "instrument": "IFRA Standard (Amendment 49)",
 "restriction_type": {
  "value": "RESTRICTION",
  "evidence": "documented",
  "source": "IFRA-044",
  "where": "docs/sources/IFRA-044-hmpcc.md:23",
  "quote": "RECOMMENDATION: RESTRICTION MAXIMUM ACCEPTABLE CONCENTRATIONS IN THE FINISHED PRODUCT (%)",
  "confidence": "A"
 },
 "property": {
  "value": "dermal sensitization and systemic toxicity",
  "evidence": "documented",
  "source": "IFRA-044",
  "where": "docs/sources/IFRA-044-hmpcc.md:26",
  "quote": "INTRINSIC PROPERTY DRIVING RISK MANAGEMENT: DERMAL SENSITIZATION AND SYSTEMIC TOXICITY",
  "confidence": "A"
 },
 "summary": {
  "value": "A restriction: a maximum acceptable concentration in the finished product for each product category. EU law goes further and prohibits the substance in cosmetic products.",
  "evidence": "documented",
  "source": "IFRA-044",
  "where": "docs/sources/IFRA-044-hmpcc.md:23",
  "quote": "RECOMMENDATION: RESTRICTION MAXIMUM ACCEPTABLE CONCENTRATIONS IN THE FINISHED PRODUCT (%)",
  "confidence": "A"
 },
 "dates": [
  {
   "what": "published (IFRA Amendment 49)",
   "value": "2020 (Amendment 49)",
   "evidence": "documented",
   "source": "IFRA-044",
   "where": "docs/sources/IFRA-044-hmpcc.md:20",
   "quote": "History: Publication date: 2020 (Amendment 49)",
   "confidence": "A"
  }
 ],
 "applies_to": [
  {
   "molecule": "hicc",
   "entry": "HMPCC (the substance EU law calls HICC)",
   "evidence": "documented",
   "source": "IFRA-044",
   "where": "docs/sources/IFRA-044-hmpcc.md:14",
   "quote": "Amendment 49 3 and 4-(4-Hydroxy-4-methylpentyl)-3-cyclohexene-1-carboxaldehyde (HMPCC)",
   "confidence": "A"
  }
 ],
 "as_of": "2026-09-30",
 "disclaimer": "An educational summary of a public standard, as of 2026-09-30; not compliance advice. Read the current text at the source.",
 "url": "https://d3t14p1xronwr0.cloudfront.net/docs/standards/IFRA_STD_044.pdf",
 "legislation_identifier": null,
 "amends": [],
 "amended_by": [],
 "media": [],
 "links": {
  "essay": "/library#ifra-database"
 },
 "copy": {
  "lede": "IFRA’s Standard on HMPCC (HICC) is a restriction by maximum concentration: the industry’s own rule, not law.",
  "body": [
   "The property it manages is dermal sensitization and systemic toxicity. This page names the kind of limit; the figures per product category are at the source, which is the text to read."
  ]
 }
}