Lentinus edodes (Shiitake Mushroom) extract

AKA: Shiitake mushroom extract
Plant-Derived
Skin Conditioner
Mushroom
Extract
Clean
lentinus edodes (shiitake mushroom) extract is a cosmetic ingredient used as skin conditioning. Rated low hazard by EWG.
Family
Not applicable (Shiitake is a fungus)
Plant Part
Whole Plant
CAS #
No single CAS, varies by extract
Form
Liquid
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.
Conditions Skin
Antioxidant Protection
Reduces Inflammation
Softens & Smooths
Traditional Use
Shiitake mushroom has been cultivated in East Asia for over 1,000 years and valued in Traditional Chinese Medicine for immune support and longevity. Modern skincare extracts leverage its historical use and contain bioactive compounds including polysaccharides and vitamins.
EWG
1
CIR
Insufficient
Pregnancy
Yes
CIR Safety Findings
ewg-1
pregnancy-nursing-safe
all-shades-safe
Regulatory Status
USAunder review
EUrestricted
JAPANrestricted
CANADArestricted
Skin Types
all-skin-types, gentle
Best For
Antioxidant
Pregnancy & Breastfeeding Safe
Yes
The paper trail
🔬Peer-reviewed1 paper
⚖️Regulatory1 listing
🛡️Safety-assessed1 review
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: CosIng · EWG · CIR