Ceramide 3
AKA “Cellapy A Repair, N-Stearoyl Phytosphingosine, N-(octadecanoyl)-4R-hydroxysphinganine, N-[(2S, N-(stearoyl)-phytoceramide
Synthetic
Ingredient Facts
Ceramide 3
AKA: Cellapy A Repair, N-Stearoyl Phytosphingosine, N-(octadecanoyl)-4R-hydroxysphinganine, N-[(2S, N-(stearoyl)-phytoceramide
Synthetic · Hair Conditioning · EWG: 4
Synthetic
Skin Conditioner
Hair Care
Ceramide
Synthetic
Clean
Ceramide 3 (Retired) is the N-acylated phytosphingosine having the erythro structure that conforms generally to the formula, where m has a value ranging from 12 to 28 in which the acyl moiety may be saturated, mono-unsaturated, or di-unsaturated and n has a value ranging from 10 to 20.The INCI Name, Ceramide 3, originally developed in 1997, was designated with a retired status in 2014. For an interim period of time, trade name assignments formerly published with the INCI Name Ceramide 3 will be Science: Functions: Hair Conditioning, Skin Conditioning Safety Ratings: CIR: Safe as used
Formula
C36H73NO4
Mol. Weight
584.0
CAS #
100403-19-8
Form
Liquid
See origin →
Functions
Hair Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Strengthens skin barrier
Locks in moisture
Prevents moisture loss
Traditional Use
Identified through biochemical analysis of healthy skin in the 1980s. This ceramide type is synthesized in laboratories to restore skin barrier integrity and reduce transepidermal water loss.
Skin Types
all-skin-types
Best For
Dryness
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Feb 2026
Data: PubChem · CosIng · EWG · CIR