Silybum marianum seed oil

Silybum marianum seed oil 1
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Silybum marianum seed oil 2
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Silybum marianum seed oil 3
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Silybum marianum seed oil 4
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AKA: SILYMARIN, 65666-07-1, Silimarin, 3, 5, 7-trihydroxy-2-[3-(4-hydroxy-3-methoxyphenyl)-2-(hydroxymethyl)-2, 3-dihydro-1, 4-benzodioxin-6-yl]-2, 3-dihydrochromen-4-one, 7-trihydroxy-2-(3-(4-hydroxy-3-methoxyphenyl)-2-(hydroxymethyl)-2, 4-benzodioxin-6-yl)-2, Silybin, 84604-20-6
Plant-Derived
Skin Conditioner
Clean
OriginNative to Mediterranean, Europe. Derived from the seeds of Silybum marianum, a Mediterranean plant in the Asteraceae family. Extracted through cold-pressing or solvent extraction of the dried seeds.
Silybum Marianum Seed Oil is the fixed oil expressed from the seeds of the Lady's Thistle, Silybum marianum (L.), Asteraceae
Family
Asteraceae (Daisy family)
Plant Part
Seed
Lifeform
Annual or biennial
Climate
Subtropical
CAS #
84604-20-6
Form
Oil
Skin Types
●all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
Functions
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Locks in moisture
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory2 listings →
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
1
CIR
Safe as used
Pregnancy
Yes
Concentration Guide
Leave-on0.5%
Rinse-offNot reported
0%50%100%
CIR reported use · report published 2017
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: Kew POWO · CosIng · EWG · CIR