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InventoryRef 7556312/08/2020

DIHYDROXYACETONE

1,3-Dihydroxyacetone

DIHYDROXYACETONE is linked to 1 EU annex record on this page.

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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MarketEvidence statusRecordsSource language
European UnionEvidence linked
Restricted entry found
Open this evidence
1English and EU languages
Great BritainSource mapped
Official source mapped; ingredient rule not imported
0English
CanadaSource mapped
Official source mapped; ingredient rule not imported
0English and French
New ZealandEvidence linked
Restricted
Open this evidence
1English
ASEANEvidence linked
Restricted
Open this evidence
1English and national languages
ChinaSource mapped
Official source mapped; ingredient rule not imported
0Chinese with selected English material
JapanSource mapped
Official source mapped; ingredient rule not imported
0Japanese; official English translation available
South KoreaSource mapped
Official source mapped; ingredient rule not imported
0Korean with some English names
United StatesEvidence linked
Permitted list with conditions
Open this evidence
1English
AustraliaSource mapped
Official source mapped; ingredient rule not imported
0English
BrazilSource mapped
Official source mapped; ingredient rule not imported
0Portuguese with INCI crosswalks
IndiaSource mapped
Official source mapped; ingredient rule not imported
0English and Hindi
Saudi ArabiaEvidence linked
Restricted
Open this evidence
1Arabic and English

Chemical identity and properties

PubChem 2D chemical structure for CAS 96-26-4
CAS 96-26-4PubChem CID 670

Dihydroxyacetone

Dihydroxyacetone is a ketotriose consisting of acetone bearing hydroxy substituents at positions 1 and 3. The simplest member of the class of ketoses and the parent of the class of glycerones. It has a role as a metabolite, an antifungal agent, a mouse metabolite, a Saccharomyces cerevisiae metabolite, an Escherichia coli metabolite and a human metabolite. It is a primary alpha-hydroxy ketone and a ketotriose. ChEBI

IUPAC name
1,3-dihydroxypropan-2-one
Molecular formula
C3H6O3
Molecular weight
90.08 g/mol
Exact mass
90.031694049 Da
XLogP3
-1.4
Topological polar surface area
57.5 Ų
Hydrogen-bond donors
2
Hydrogen-bond acceptors
3
Covalent units
1
Defined stereocentres
0

Also known as

1,3-dihydroxyacetoneglyceroneChromelin1,3-Dihydroxy-2-propanoneOxantinTriuloseViticolorDihyxal
16 more reported names
OxatoneSolealOtan2-Propanone, 1,3-dihydroxy-1,3-Dihydroxypropanone1,3-Dihydroxydimethyl ketoneNSC-24343Dihydroxyacetone (USP)Dihydroxyacetone [USP]FEMA NO. 4033O10DDW6JOOCHEBI:160161,3 Dihydroxy 2 PropanoneGZE Tanning CreamDihydroxyacetone 10%RefChem:5755
External database identifiers

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Inventory details for DIHYDROXYACETONE

INCI name

DIHYDROXYACETONE

Description

1,3-Dihydroxyacetone

Record provenance

Inventory reference
75563
Imported identity
DIHYDROXYACETONE
Source update
12/08/2020
European Commission CosIng source notes

Key data

Restriction
Function
HAIR DYEING
Imparting color to hair. Hair dyeing preparations may be temporary, semi-permanent, or permanent, depending on the length of time the colorant remains on the hair.
SKIN CONDITIONING - MISCELLANEOUS
Enhancing the appearance of dry and/or damaged skin by reducing flaking and restoring suppleness.
TANNING
Darkening the skin with or without exposure to UV.

Official EU ingredient-name evidence

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

The 5 markets that hold a rule for this substance do not classify it the same way.

restricted
European UnionNew ZealandASEANSaudi Arabia
permitted on a positive list
United States

See every substance the markets disagree about

Ingredients with overlapping formulation functions

Additional official and scientific sources

11 external databases to check this identity in

How DIHYDROXYACETONE appears in the CosIng inventory

The CosIng inventory lists DIHYDROXYACETONE as a cosmetic ingredient and this page links it to 1 annex record. The inventory entry captures names and identifiers, while the annex record shows where the substance is prohibited, restricted or positively listed in EU cosmetics law.

DIHYDROXYACETONE is also tagged with 3 cosmetic functions 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

DIHYDROXYACETONE appears in the EU CosIng inventory and has linked annex records. Check the annex records above for applicable restrictions, concentration limits and conditions of use. Annex II listing means prohibited; Annex III means restricted; Annexes IV, V and VI mean permitted under specified conditions.

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

CAS 96-26-4 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.

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

Source note for DIHYDROXYACETONE

This page combines the CosIng inventory entry for DIHYDROXYACETONE with 1 linked Annex II–VI record from the local dataset built from public European Commission cosmetic ingredient materials.

Use this inventory page to research DIHYDROXYACETONE 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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