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InventoryRef 8311915/10/2010

CETYLHYDROXYPROLINE PALMITAMIDE

L-Proline, 4-Hydroxy-1-(1-Oxohexadecyl)-, Hexadecyl Ester, (4R)-

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

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.

Chemical identity and properties

PubChem 2D chemical structure for CAS 791838-11-4
CAS 791838-11-4PubChem CID 71587803

Cetylhydroxyproline palmitamide

IUPAC name
hexadecyl (2S,4R)-1-hexadecanoyl-4-hydroxypyrrolidine-2-carboxylate
Molecular formula
C37H71NO4
Molecular weight
594.0 g/mol
Exact mass
593.53830975 Da
XLogP3
14.3
Topological polar surface area
66.8 Ų
Hydrogen-bond donors
1
Hydrogen-bond acceptors
4
Covalent units
1
Defined stereocentres
2

Also known as

Pseudoceramide 391Bio 391UNII-74ONU0S62G74ONU0S62GL-Proline, 4-hydroxy-1-(1-oxohexadecyl)-, hexadecyl ester, (4R)-RefChem:124723Bio391Bio-391
3 more reported names
CETYLHYDROXYPROLINE PALMITAMIDE [INCI]GOVINWHEYOSPAK-GPOMZPHUSA-NHexadecyl (4R)-1-hexadecanoyl-4-hydroxy-L-prolinate
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 CETYLHYDROXYPROLINE PALMITAMIDE

INCI name

CETYLHYDROXYPROLINE PALMITAMIDE

Description

L-Proline, 4-Hydroxy-1-(1-Oxohexadecyl)-, Hexadecyl Ester, (4R)-

Record provenance

Inventory reference
83119
Imported identity
CETYLHYDROXYPROLINE PALMITAMIDE
Source update
15/10/2010
European Commission CosIng source notes

Key data

EC
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.

Ingredients with overlapping formulation functions

Additional official and scientific sources

11 external databases to check this identity in

How CETYLHYDROXYPROLINE PALMITAMIDE appears in the CosIng inventory

The CosIng inventory lists CETYLHYDROXYPROLINE PALMITAMIDE 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.

CETYLHYDROXYPROLINE PALMITAMIDE 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

CETYLHYDROXYPROLINE PALMITAMIDE 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, CETYLHYDROXYPROLINE PALMITAMIDE carries the following function designation(s):

CAS 791838-11-4 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 CETYLHYDROXYPROLINE PALMITAMIDE

This page reproduces the CosIng inventory entry for CETYLHYDROXYPROLINE PALMITAMIDE 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 CETYLHYDROXYPROLINE PALMITAMIDE and compare linked records, but verify restrictions and legal status against the current official source text and law before making regulatory decisions.

Tools & next steps

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