Snapshot
- Overview
- A flexible film-former that helps makeup and hair products wear longer.
- Category
- Skin Conditioning
- Type
- Film Former
PEG-8/Smdi Copolymer
PEG-8/SMDI Copolymer is a polyether-urethane formed from PEG-8 and SMDI that acts as a flexible cosmetic film former. It's added to improve wear resistance, limit flaking, and give lightweight hold in color cosmetics and hair styling products.
Like this ingredient?
Our take
Is PEG-8/Smdi Copolymer a Good Ingredient?
Rated Fair: it offers flexible film formation for wear and hold, but results vary by formula and the evidence for direct skin conditioning is limited. Some users may experience mild irritation or a tight film feel, especially near the eyes or on sensitive skin, which keeps it below Good.
What it does
Skin Benefits
Improves wear with reduced transfer in color products and provides flexible control in hair styling. Contributes a lightweight, comfortable film on skin or hair.
Where you'll find it
Uses in Skincare & Cosmetics
Common in mascaras, eyeliners, liquid lip colors, and hair gels or styling sprays for improved endurance and hold.
Before you use it
Safety
Low risk in finished cosmetics with minimal residual monomer. Mild irritation from film formation is possible near delicate areas; discontinue use if discomfort occurs.
Products with PEG-8/Smdi Copolymer
