Is PLATONIN safe to use in EU cosmetics?

PLATONIN is listed in the EU CosIng ingredient inventory with no direct annex restriction records linked at this time. Always verify against the current official CosIng database before formulating.

What other records share CAS 3571-88-8?

CAS 3571-88-8 may appear across multiple EU annex records. The CAS lookup page shows all Annex II–VI entries sharing this identifier, useful for identifying cross-annex regulatory status of the same chemical substance.

How do I check if my formula contains PLATONIN?

Use the INCI Checker to screen a full ingredient list across selected markets, or use the substance market comparison to review this identity across all supported market datasets.

InventoryRef 5958515/10/2010

PLATONIN

2,2'-[3-[(3-Heptyl-4-methyl-2(3H)-thiazolylidene)ethylidene]-1-propene-1,3-diyl]bis[3-heptyl-4-methylthiazolium], diiodide

PLATONIN is listed in the EU CosIng inventory, but no direct annex records are linked on this page yet.

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Regulatory evidence by market

This matrix separates verified ingredient rules from sources that are mapped but not yet imported. No imported rule does not mean the ingredient is permitted.

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Market	Evidence status	Records	Source language
European Union	Source mapped Inventory entry; no linked annex rule	0	English and EU languages
Great Britain	Source mapped Official source mapped; ingredient rule not imported	0	English
Canada	Source mapped Official source mapped; ingredient rule not imported	0	English and French
New Zealand	Source mapped Official source mapped; ingredient rule not imported	0	English
ASEAN	Source mapped Official source mapped; ingredient rule not imported	0	English and national languages
China	Source mapped Official source mapped; ingredient rule not imported	0	Chinese with selected English material
Japan	Source mapped Official source mapped; ingredient rule not imported	0	Japanese; official English translation available
South Korea	Evidence linked Restricted Open this evidence	1	Korean with some English names
United States	Source mapped Official source mapped; ingredient rule not imported	0	English
Australia	Source mapped Official source mapped; ingredient rule not imported	0	English
Brazil	Source mapped Official source mapped; ingredient rule not imported	0	Portuguese with INCI crosswalks
India	Source mapped Official source mapped; ingredient rule not imported	0	English and Hindi
Saudi Arabia	Source mapped Official source mapped; ingredient rule not imported	0	Arabic and English

Exact external identity check

matched

One PubChem compound was retained because the exact CosIng name appears among its reported synonyms.

PubChem title: Platonin
IUPAC name: (2Z)-2-[(2Z,4E)-3,5-bis(3-heptyl-4-methyl-1,3-thiazol-3-ium-2-yl)penta-2,4-dienylidene]-3-heptyl-4-methyl-1,3-thiazole diiodide
Molecular formula: C38H61I2N3S3
Molecular weight: 909.9 g/mol
InChIKey: BHSBKKSKODCAAS-UHFFFAOYSA-L

Open exact PubChem record

Exact CosIng INCI name equals a PubChem synonym · Checked 2026-08-31

Inventory details for PLATONIN

INCI name

PLATONIN

Description

2,2'-[3-[(3-Heptyl-4-methyl-2(3H)-thiazolylidene)ethylidene]-1-propene-1,3-diyl]bis[3-heptyl-4-methylthiazolium], diiodide

Record provenance

Inventory reference: 59585
Imported identity: PLATONIN
Source update: 15/10/2010

European Commission CosIng source notes

Annex records for PLATONIN

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Key data

CAS

3571-88-8

222-681-5

Restriction

—

Function

SKIN CONDITIONING: Maintaining the skin in good condition.

Official EU ingredient-name evidence

The ingredient name exactly matches the official 2025 EU glossary of common ingredient names.

#21320 · PLATONIN

Ingredients with overlapping formulation functions

PLATINUM POWDERABRASIVE, SKIN CONDITIONING

PLATINUM THIOETHYLAMINO HYALURONIC ACIDSKIN CONDITIONING

PLATONIA INSIGNIS SEED BUTTERHUMECTANT, SKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT, SKIN PROTECTING

PLATONIA INSIGNIS SEED OILSKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT

PLATYCARYA STROBILACEA EXTRACTSKIN CONDITIONING

PLATYCARYA STROBILACEA FRUIT EXTRACTSKIN CONDITIONING

PLATYCODIN DSKIN CONDITIONING

PLECTRANTHUS AMBOINICUS LEAF/STEM OILSKIN CONDITIONING

Additional official and scientific sources

11 external databases to check this identity in

Each link searches that source for this identity. What each source is, and its legal weight

ECHA CHEM / Information on chemicals PubChem PUG REST EU Safety Gate cosmetic product alerts ECHA CHEM US EPA CompTox Cosmetic Ingredient Review safety assessments FDA Global Substance Registration System ILO/WHO International Chemical Safety Cards Japan NITE-CHRIP NIOSH Pocket Guide to Chemical Hazards OECD eChemPortal

How PLATONIN appears in the CosIng inventory

The CosIng inventory lists PLATONIN as a cosmetic ingredient and this page links it to 0 annex records. The inventory entry captures names and identifiers, while the annex records show where the substance is prohibited, restricted or positively listed in EU cosmetics law.

PLATONIN is also tagged with 1 cosmetic function in the official data. Function labels describe intended use, but they do not replace regulatory review of linked annex records before formulation or labelling work.

Frequently asked questions

PLATONIN is listed in the EU CosIng ingredient inventory with no direct annex restriction records linked at this time. Absence of an annex link does not guarantee unrestricted use — always verify against the current official CosIng database before formulating.

According to the EU CosIng inventory, PLATONIN carries the following function designation(s):

SKIN CONDITIONING

CAS 3571-88-8 may appear across multiple EU annex records. Viewing the CAS lookup page shows all Annex II–VI entries sharing this identifier, which is useful for identifying cross-annex regulatory status of the same chemical substance.

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Source note for PLATONIN

This page reproduces the CosIng inventory entry for PLATONIN from public European Commission cosmetic ingredient materials and shows linked identifiers even when no direct annex match is currently attached.

Use this inventory page to research PLATONIN and compare linked records, but verify restrictions and legal status against the current official source text and law before making regulatory decisions.

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Tools & next steps

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