Linum usitatissimum (Linseed) seed oil

Linum usitatissimum (Linseed) seed oil 1
Linum usitatissimum (Linseed) seed oil 2
Linum usitatissimum (Linseed) seed oil 3
Linum usitatissimum (Linseed) seed oil 4
AKA: Common flax, Linseed Seed Oil
Plant-Derived
Fragrance
Skin Conditioner
Clean
Linum Usitatissimum (Linseed) Seed Oil is a cosmetic ingredient used as perfuming, skin conditioning. Rated low hazard by EWG. Assessed as safe by the CIR.
Family
Linaceae (Flax family)
Plant Part
Seed
Climate
Temperate
CAS #
8001-26-1
Form
Oil
Functions
Perfuming
Added for scent. Can be natural or synthetic. Common irritant and allergen — one of the top reasons people react to products.
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Adds Fragrance
Conditions Skin
Antioxidant Protection
Locks In Moisture
Wound Healing
Adds pleasant scent
Traditional Use
Used for thousands of years in Ayurvedic and traditional Chinese medicine for skin health and wound healing. Ancient Egyptians and Greeks also incorporated linseed oil into skincare regimens for its emollient and anti-inflammatory properties.
EWG
1
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
ewg-1
medical-approval
pregnancy-nursing-safe
all-shades-safe
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Skin Types
●all-skin-types, gentle
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory1 listing →
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
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Verified Jun 2026
Data: Kew POWO · CosIng · EWG · CIR