Skip to content
  • beauty
  • cleaning
  • food
  • industrial

Triclosan

CAS 3380-34-5 · 40/100 · High conf.

Also registered as 5 other CAS numbers

88032-08-0 · 112099-35-1 · 164325-69-3 · 261921-78-2 · 1155174-27-8

Triclosan chemical structure

Concern score

40/100Moderate concern based on regulatory listings.
High confidence

Triclosan in plain language

What it is

Also known as 2,4,4'-Trichloro-2'-hydroxydiphenyl ether · 5-Chloro-2-(2,4-dichlorophenoxy)phenol · 2',4',4-Trichloro-2-hydroxydiphenyl ether · 2, 4, 4'-Trichloro-2'-hydroxydiphenylether · 2,2'-Oxybis(1',5'-dichlorophenyl-5-chlorophenol) · 2,4,4'-TRICHLORO-2'-HYDROXY diphenylether

Show all 27 names

5-Chloro-2-(2,4-dichloro-phenoxy)-phenol · 5-chloro-2-(2,4-dichlorophe noxy)phenol · Ch 3565 · Clearskin · Cloxifenolum · DNDI1246774 · Germasidol · Germicide CA · Lexol 300 · Phenol, 5-chloro-2-(2,4-dichlorophenoxy)- · Phenyl ether, 2'-hydroxy-2,4,4'-trichloro- · Stri-dex cleansing bar · Stri-Dex Face Wash · Triclosanum · irgasan dp-300. · irgasan dp300 · triciesan · triclosan 0.15% · triclosan 0.46% · triclosano · Colgate total component triclosan

What it does

Used in cosmetics as a preservative, an antimicrobial and a deodorant. Triclosan is the substituted organic ether.

  • Preservative
  • Antimicrobial
  • Deodorant
  • Oral care
Is it a concern?
Moderate concern: no hazard classifications on record. It is listed for cosmetic use in the EU.

What the listings say

Permitted, with conditions — Triclosan appears on published "allowed" regulatory lists rather than on a restriction list.

5-Chloro-2-(2,4-dichlorophenoxy)phenol is listed in Annex V of the EU Cosmetics Regulation (EC) 1223/2009 (preservatives allowed in cosmetic products).

The score describes this ingredient's chemical identity — its hazard profile from published classifications and regulatory status — not the safety of any product it appears in.

Regulation

No restrictions found. Triclosan appears in these published regulatory listings.

  • In marketed US drugs
  • EU Annex V — permitted preservative
  • EU permitted preservative

Recorded in these product areas

  • Found in consumer products
  • Beauty
  • Cleaning
  • Industrial
  • EUCosIngActive2 entries
    • Triclosan is the substituted organic ether that conforms to the formula: Restriction: V/25Source →
    • Cosmetics Regulation annex V / ref 25.Source →
  • EUECallowed_listedAnnex V of EU Cosmetics Regulation (EC) 1223/2009: preservatives allowed in cosmetic products. Product types: Toothpastes; Hand soaps; Body soaps/Shower gels; Deodorants (non-spray); Face powders and blemish concealers; Nail products for cleaning the fingernails and toenails before the application of artificial nail systems; Maximum concentration: 0.3% Other conditions: Not to be used in toothpaste intended for children under 3 years of age. Cosmetic products containing that substance that do not comply with the conditions may, provided that they comply with the conditions applicable on 23 April 2024, be placed on the Union market until 31 December 2024 and, if they have already been placed on the market before that date, continue to be made available on the… Conditions of use and warnings: For toothpaste containing Triclosan the following labelling is obligatory: ‘Not to be used for children under 3 years of age’.
    • Annex V of EU Cosmetics Regulation (EC) 1223/2009: preservatives allowed in cosmetic products. Product types: Toothpastes; Hand soaps; Body soaps/Shower gels; Deodorants (non-spray); Face powders and blemish concealers; Nail products for cleaning the fingernails and toenails before the application of artificial nail systems; Maximum concentration: 0.3% Other conditions: Not to be used in toothpaste intended for children under 3 years of age. Cosmetic products containing that substance that do not comply with the conditions may, provided that they comply with the conditions applicable on 23 April 2024, be placed on the Union market until 31 December 2024 and, if they have already been placed on the market before that date, continue to be made available on the… Conditions of use and warnings: For toothpaste containing Triclosan the following labelling is obligatory: ‘Not to be used for children under 3 years of age’.Source →
  • EUEFSAEFSA opinionOpinion of the Scientific Panel on food additives, flavourings, processing aids and materials in contact with food (AFC) on a request from the Commission related to a 3rd list of substances for food contact materials (EFSA AFC)
    • Opinion of the Scientific Panel on food additives, flavourings, processing aids and materials in contact with food (AFC) on a request from the Commission related to a 3rd list of substances for food contact materials (EFSA AFC)Source →
  • USEPAcommercial use observedEPA CPDat observed this chemical in 226 composition records across product categories including Personal care, Cleaning and safety, Medical/dental. EPA CPDat classifies this chemical for functional uses including Biocide, Preservative, Deodorizer.
    • EPA CPDat observed this chemical in 226 composition records across product categories including Personal care, Cleaning and safety, Medical/dental. EPA CPDat classifies this chemical for functional uses including Biocide, Preservative, Deodorizer.Source →
  • USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as chemical.
    • openFDA substance registry classifies this ingredient as chemical.Source →
  • USFDAmarketed drug occurrenceFDA NDC lists this ingredient in 11 active drug products and 11 total products.
    • FDA NDC lists this ingredient in 11 active drug products and 11 total products.Source →

Expert safety opinions

Independent scientific assessments cited by the records we hold, with the year and link where the record gives one.

  • SCCS

    EU Scientific Committee on Consumer Safety

    No SCCS opinion on file.

  • CIR

    Cosmetic Ingredient Review (US expert panel)

    No CIR safety assessment on file.

  • EFSA

    European Food Safety Authority

    • Opinion of the Scientific Panel on food additives, flavourings, processing aids and materials in contact with food (AFC) on a request from the Commission related to a 3rd list of substances for food contact materials (EFSA AFC)

      2004 · EU EFSA listing · Read the source →

Evidence & sources

No graded research studies for Triclosan yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

9 data sources

Where this comes from

  • CosIng

    regulatory · updated 2026-09-23

    Open →
  • EU CosIng Cosmetics Regulation Annexes

    regulatory · updated 2024-04-04

    Open →
  • EFSA OpenFoodTox

    regulatory · updated 2026-10-04

    Open →
  • EPA Chemical and Products Database

    exposure · updated september 3, 2013

    Open →
  • EPA DSSTox Identifiers

    chemistry · updated 2025-12-29

    Open →
  • FDA National Drug Code Directory

    regulatory · updated 2026-12-31

    Open →
  • FDA GSRS UNII

    registry · updated 2026-02-26

    Open →
  • openFDA Substance

    registry · updated 2026-05-24

    Open →
  • PubChem Live Enrichment

    chemistry · updated 2026-05-17

    Open →

Suitability

Context-specific fit derived from published classifications and the current ingredient evidence profile.

Food use

Food-use source coverage is present in the current record.

Good fit

The ingredient appears in food-oriented source coverage or allowed-use references, which makes food use easier to support than a context with no domain signal at all.

Fragrance avoidance

No fragrance-linked caution surfaced in the current profile.

Good fit

This ingredient does not currently read as a fragrance-linked driver in the published evidence and hazard profile.

Where it has been recorded

How often EPA CPDat has listed Triclosan in a product composition. These are source records, not Greenveil catalog products.

Source records

226

Named organisations

6

Personal careCleaning and safetyMedical/dentalSpecialty occupational productsCleaning products and household careArts and crafts/office supplies

Typical roles

PreservativeAntimicrobialDeodorantOral care
See products using Triclosan →

Catalog

Found in these products

Their ingredient lists include Triclosan; each product's own rating depends on its whole formula, so it is shown on the product page, not here.