PEG-25 Hydrogenated Castor Oil
AKA “Polyethylene Glycol 25 Hydrogenated Castor Oil”
Essential Oil
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Ingredient Facts
Peg-25 hydrogenated castor oil
AKA: Polyethylene Glycol 25 Hydrogenated Castor Oil
Essential Oil · Surfactant - Cleansing | Surfactant - Emulsifying · EWG: 4
Plant-Derived
Cleanser
Emulsifier
Plant Oil
Essential Oil
Not Clean
Hydrogenated castor oil helps cleanse and blend ingredients together, keeping formulas smooth and effective on skin.
Family
Euphorbiaceae (Spurge family)
Plant Part
Seed
CAS #
61788-85-0
Form
Oil
Plant-Derived
Botanical. Native to India. Derived from castor oil seeds (Ricinus communis) from the Euphorbiaceae family, primarily grown in India. Produced through hydrogenation of castor oil followed by esterification with polyethylene glycol.
Plant Source
Euphorbiaceae (Spurge family)
Plant Part
Seed
Function
Surfactant - Cleansing | Surfactant - Emulsifying
Benefits
Cleansing Surfactant
Emulsifier
Locks In Moisture
Removes Impurities
Mixes Oil & Water
Traditional Use
Developed in the mid-20th century as a synthetic emulsifier combining polyethylene glycol with hydrogenated castor oil, which has been used in traditional medicine for centuries. Created to improve the solubility and stability of castor oil in cosmetic formulations.
Skin Types
all-skin-types
Best For
Target
General
Melanin-Rich Skin
Suitable
Pregnancy Safe
Yes
EWG Score4
CIR Safety Findings
medical-approval, all-shades-safe, Not a Sensitizer
Regulatory Agencies
Verified Feb 2026
Data: CosIng · EWG · CIR