Bis-PEG/PPG-15/5 Dimethicone
AKA “Silicone Copolymer, Silicone Modifier
Humectant
Ingredient Facts
Bis-peg/ppg-15/5 dimethicone
AKA: Silicone Copolymer, Silicone Modifier
Humectant · Humectant · EWG: 4
Synthetic
Humectant
Emulsifier
Silicone
Not Clean
Bis-PEG/PPG-15/5 Dimethicone is Dimethicone end-blocked with the random addition of an average of 15 moles of ethylene oxide and 5 moles of propylene oxide
CAS #
-
Form
Liquid
See origin →
Functions
Emulsion Stabilising
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Humectant
A moisture magnet. Pulls water from the air and deeper skin layers up to the surface to keep skin plump and hydrated.
Locks In Moisture
Traditional Use
Developed as a contemporary cosmetic conditioning agent to provide improved sensory properties and product performance, combining polyethylene and polypropylene glycol with silicone technology.
Skin Types
all-skin-types
Best For
Dryness
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