Ceramide EOS
AKA “3-Dehydroxy ceramide 1, Ceramide eos [INCI], Cer[EOS], ceramide E(C30:0)OS(C18:1)
Synthetic
Ingredient Facts
Ceramide eos
AKA: 3-Dehydroxy ceramide 1, Ceramide eos [INCI], Cer[EOS], Ceramide E(C30:0)OS(C18:1)
Synthetic · Hair Conditioning · EWG: 4
Synthetic
Skin Conditioner
Hair Care
Ceramide
Synthetic
Clean
Ceramide EOS is a synthetic N-acylated sphingolipid consisting of Sphingosine having the D-erythro structure linked to an esterified omega-hydroxy saturated or unsaturated fatty acid Science: Functions: Hair Conditioning, Skin Conditioning Safety Ratings: CIR: Safe as used
Formula
C66H125NO5
Mol. Weight
1012.7
CAS #
-
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
Developed in the 1990s as a synthetic ceramide designed to mimic natural skin barrier lipids. Created to restore skin hydration and repair compromised skin barriers, particularly for eczema and sensitive skin conditions.
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