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CAS 690633-16-0 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.

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InventoryRef 9638415/04/2019

BUTYROYL GLUTATHIONE

Glycine, N-(1-oxobutyl)-L-.gamma.-glutamyl-L-cysteinyl-

BUTYROYL GLUTATHIONE 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

No rule for this ingredient has been imported for any of the 13 markets tracked here.

That describes this inventory, not the law. No imported rule is not evidence that an ingredient is permitted: a rule may exist under another name or identifier, or in a dataset not yet imported here.

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Exact external identity check

not_found

No complete-name PubChem match was verified. The material may be a mixture, trade-style INCI identity or be indexed under another identifier; this result must not be read as proof that no related chemistry exists.

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

Inventory details for BUTYROYL GLUTATHIONE

INCI name

BUTYROYL GLUTATHIONE

Description

Glycine, N-(1-oxobutyl)-L-.gamma.-glutamyl-L-cysteinyl-

Record provenance

Inventory reference: 96384
Imported identity: BUTYROYL GLUTATHIONE
Source update: 15/04/2019

European Commission CosIng source notes

Annex records for BUTYROYL GLUTATHIONE

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Key data

CAS

690633-16-0

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Restriction

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Function

ANTIMICROBIAL: Preventing and/or slowing down microbial growth.
ANTIOXIDANT: Inhibiting reactions promoted by oxygen, thus avoiding oxidation and rancidity.
REDUCING: Changing the chemical nature of another ingredient by adding hydrogen (or removing oxygen).

Official EU ingredient-name evidence

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

#4222 · BUTYROYL GLUTATHIONE

Ingredients with overlapping formulation functions

AMMONIUM THIOGLYCOLATEDEPILATORY, HAIR WAVING OR STRAIGHTENING, REDUCING

AMMONIUM THIOLACTATEDEPILATORY, HAIR WAVING OR STRAIGHTENING, REDUCING

BILIRUBINANTIOXIDANT; CHELATING; REDUCING

BUTYROLACTONETHIOLHAIR WAVING OR STRAIGHTENING, REDUCING

CALCIUM THIOGLYCOLATEDEPILATORY, KERATOLYTIC, REDUCING

CYSTEAMINE HCLANTIOXIDANT, HAIR WAVING OR STRAIGHTENING, REDUCING

CYSTEINEANTIOXIDANT, ANTISTATIC, FRAGRANCE, HAIR CONDITIONING, HAIR WAVING OR STRAIGHTENING, REDUCING

CYSTEINE HCLANTIOXIDANT, HAIR CONDITIONING, HAIR WAVING OR STRAIGHTENING, REDUCING

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 BUTYROYL GLUTATHIONE appears in the CosIng inventory

The CosIng inventory lists BUTYROYL GLUTATHIONE 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.

BUTYROYL GLUTATHIONE 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

BUTYROYL GLUTATHIONE 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, BUTYROYL GLUTATHIONE carries the following function designation(s):

CAS 690633-16-0 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 BUTYROYL GLUTATHIONE

This page reproduces the CosIng inventory entry for BUTYROYL GLUTATHIONE 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 BUTYROYL GLUTATHIONE 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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