Lauryl Isopentyl-PEG/PPG-18/18 Methicone
AKA “Lauryl Isopentyl-PEG/PPG-18/18 Methicone, Silicone Surfactant
Surfactant
Ingredient Facts
Lauryl isopentyl-peg/ppg-18/18 methicone
AKA: Silicone Surfactant
Surfactant · Emulsifying · EWG: 4
Synthetic
Cleanser
Emulsifier
Silicone
Not Clean
Lauryl Isopentyl-PEG/PPG-18/18 Methicone is the copolymer formed by the reaction of Methicone with dodecene and a dimethyallyl-terminated polyethylene oxide/polypropylene oxide copolymer
CAS #
1112315-26-0
Form
Liquid
See origin →
Functions
Emulsifying
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Emulsifier
Antioxidant Protection
Locks In Moisture
Reduces Inflammation
Mixes Oil & Water
Traditional Use
A modern synthetic emulsifier and conditioning agent developed in the late 20th century by combining silicone chemistry with polyethylene glycol technology for improved spreadability and skin feel in cosmetics.
Skin Types
all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Jun 2026
Data: CosIng · EWG · CIR