Ceramide 1 A

Also known as: 9,12-octadecadienoic acid, 27-[[2,3-dihydroxy-1-(hydroxymethyl)heptadecyl]amino]-27-oxoheptacosyl ester, [1S-[1R*(9Z,12Z),2R*,3S*]]-, 1,3,4-Octadecanetriol, 2-linolenoylheptacosamide, Linoleoyloxyheptacosanoyl-C18-phytosphingosine

INCI: CERAMIDE 1 A

Ceramide 1 A (CAS 179186-48-2) is a cosmetic cosmetic ingredient functioning as Hair conditioning; skin conditioning. EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database.

View industrial chemical safety profile for CAS 179186-48-2 →

Auto-generated CPSR Part A draft with source citations
Function
Hair conditioning; skin conditioning
Safety Rating
MODERATE

Chemistry & Identifiers

Formula
C63H121NO6
MW
988.6 g/mol
PubChem CID
73425489
IUPAC Name
[27-oxo-27-[[(2S,3S,4R)-1,3,4-trihydroxyoctadecan-2-yl]amino]heptacosyl] (9Z,12Z)-octadeca-9,12-dienoate
InChIKey
RBBHGNBWKGCPAF-XEKXCHJCSA-N

Regulatory Status

EU EU Status permitted
US US Status permitted
US Notes Allowed. Reported in FDA VCRP data in eye lotions (5 products), mascara (3 products), foundations (3 products), and other product categories

For full compliance data across multiple jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety, dermal absorption, and sensitization profile summaries for Ceramide 1 A.

Calculate MoS for your specific formulation with the MoS Calculator.

Function Categories & List Membership

Cosmetic/Chemical Function Categories
Softener and conditioner

Expert Verdict

Expert safety assessment and concern-level summary for Ceramide 1 A.

Regulatory Flags

potential-allergen natural-origin

Known Synonyms

9,12-octadecadienoic acid, 27-[[2,3-dihydroxy-1-(hydroxymethyl)heptadecyl]amino]-27-oxoheptacosyl ester, [1S-[1R*(9Z,12Z),2R*,3S*]]- 1,3,4-Octadecanetriol, 2-linolenoylheptacosamide Linoleoyloxyheptacosanoyl-C18-phytosphingosine

Chemical Function

Softener and conditioner

Frequently Asked Questions

Is Ceramide 1 A safe in cosmetics?

Ceramide 1 A has a safety rating of "MODERATE" in our database. EU status: permitted. US status: permitted.

Is Ceramide 1 A allowed in the EU?

Ceramide 1 A EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Ceramide 1 A do in cosmetics?

Ceramide 1 A functions as: Hair conditioning; skin conditioning. It is classified as a cosmetic ingredient in our database. CAS number: 179186-48-2.

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