Behenoxy PEG-10 Dimethicone
AKA “PEG-10 behenoxy dimethicone”
Synthetic
Ingredient Facts
Behenoxy peg-10 dimethicone
AKA: PEG-10 behenoxy dimethicone
Synthetic · Emollient · EWG: 2
Synthetic
Humectant
Emollient
Occlusive
Skin Conditioner
Silicone
Synthetic
Clean
A lightweight smoothing agent that helps lock in moisture while giving your product the perfect texture—silky without feeling heavy.
CAS #
1136947-78-8
Form
Liquid
See origin →
Functions
Humectant
A moisture magnet. Pulls water from the air and deeper skin layers up to the surface to keep skin plump and hydrated.
Viscosity Controlling
Emollient
Fills in the tiny cracks between skin cells to make everything feel smooth and soft. The "silky finish" ingredient.
Occlusive
Creates a physical seal on skin to lock moisture in and keep irritants out. The "slugging" ingredient — barrier protection.
Smoothing
Locks In Moisture
Traditional Use
A hybrid synthetic ingredient developed in modern cosmetics combining behenic acid, polyethylene glycol, and silicone polymers to improve product spreadability and conditioning without traditional use.
Skin Types
●all-skin-types, gentle
Best For
Dryness
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
EWG
2
CIR
Safe
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
ewg-2
medical-approval
pregnancy-nursing-safe
all-shades-safe
Regulatory Agencies
Verified Feb 2026
Data: CosIng · EWG · CIR