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Ceramide AS

INCI name: Ceramide AS

Ceramide AS is classed in the EU CosIng database as hair conditioning and skin conditioning. Piel groups it with barrier lipids.

What it does

CosIng definition

Ceramide AS, formerly known under either of the INCI Names, Ceramide 4 or Ceramide 5, is the N-acylated sphingolipid consisting of sphingosine having the D-erythro structure linked to an alpha-hydroxy saturated or unsaturated fatty acid.

How Piel groups it

Piel's knowledge base files Ceramide AS under:

Found in 123 products in Piel's catalogue.

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Identifiers

INCI name
Ceramide AS
CAS number
100403-19-8
EC number
309-560-3 (I)
CosIng reference
92565

Data from Piel's records, September 19, 2026