Uncategorised

Bis-Isobutyl Peg-13/Dimethicone Copolymer

INCI: BIS-ISOBUTYL PEG-13/DIMETHICONE COPOLYMER

Reviewed by Kate · Last updated 18 Aug 2026

What Is Bis-Isobutyl Peg-13/Dimethicone Copolymer?

Bis-Isobutyl PEG-13/Dimethicone Copolymer is a block copolymer made by reacting Bis-Hydrogen Dimethicone with the bis-methallyl ether of PEG-13.

Its declared cosmetic function is not reported.

Source: European Commission CosIng inventory.

From the Clinic

Not sure what your skin actually needs?

Two minutes, a few questions, and we’ll point you at what matters — no guesswork.

Take the skin quiz

Learn More About Skincare Ingredients

Explore our comprehensive ingredient glossary to understand what's in your products.

Browse All Ingredients

Authorised Stockist

Official UK retailer

Tracked Delivery

Free UK shipping over £50

5 Star Rating

Trusted by thousands

Expert Advice

Free consultations