PEG-42 Mushroom Glycerides
molecular structure · PubChem
AKA: PEG 42 mushroom glycerides, Polyethylene glycol mushroom glycerides
Synthetic
Emollient
Cleanser
Emulsifier
Skin Conditioner
Mushroom
Clean
OriginDerived from glycerides extracted or synthesized from mushroom sources, then chemically modified. Produced through ethoxylation, adding polyethylene glycol chains (42 moles) to mushroom glycerides via catalytic reaction.
Glycerides, mono- and di-, mushroom, ethoxylated (42 mol EO average molar ratio)
Form
Liquid
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Functions
Emollient
Fills in the tiny cracks between skin cells to make everything feel smooth and soft. The "silky finish" ingredient.
Emulsifying
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Locks In Moisture
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.
EWG
2
CIR
Safe as used
Pregnancy
Yes
Concentration Guide
CIR lists it as not reported to be in use.
CIR · report published 2020
Regulatory Agencies
Verified Jun 2026
Data: CosIng · EWG · CIR
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