Polyisobutene
Polyisobutene is a viscosity controlling and film forming ingredient. It’s in 132 products on Poliage, most often lip, mascara and eye cream. Avoid lists on Poliage that include it: none.
Updated October 22, 2026
In plain English
Polyisobutene: used to leave a thin film on skin or hair and hold ingredients together.
What it does
Contains Polyisobutene: binding
Function listed in CosIng
Contains Polyisobutene: film-forming
Function listed in CosIng
Contains Polyisobutene: viscosity-controlling
Function listed in CosIng
Source: CosIng, the European Commission cosmetic ingredient database, ref 79008, accessed October 22, 2026.
Products that contain Polyisobutene
Pixi
+Hydra LipTreat
Lip · Lists fragrance, fragrance allergens, exfoliating acid, essential oils
Act+Acre
2% Squalane Anti-Frizz Leave In Conditioner
Conditioner · Lists fragrance
Haruharu Wonder
5 Ceramide Barrier Moisturizing Cream / Unscented
Moisturizer · None of Poliage’s flag groups listed
SHEGLAM
Adventure Time
Lip · Lists fragrance, fragrance allergens, silicones
Tree Hut
Angel Cake Lip Butter
Lip · Lists fragrance, silicones
Avon VDL eye primer
Lists silicones
Haruharu Wonder
Bakuchiol Eye Cream / Unscented
Eye cream · None of Poliage’s flag groups listed
SHEGLAM
Berry Jam Lip Mask Pot
Lip · Lists fragrance, fragrance allergens
SHEGLAM
Big Time Eyes Volumizing Mascara
Mascara · None of Poliage’s flag groups listed
Dermalogica
Biolumin C Eye Serum
Eye cream · Lists fragrance allergens, exfoliating acid, essential oils
Dermalogica
Biolumin C Serum
Serum · Lists fragrance allergens, exfoliating acid, essential oils
e.l.f.
Blush
Blush · Lists silicones
SHEGLAM
Bold Booster Lip Plumper-Blush Drizzle
Blush · Lists exfoliating acid
SHEGLAM
Booster Shine Plumping Lip Gloss-Own Your Shine
Lip · Lists fragrance
SHEGLAM
Bright Eyes Cooling Concealer
Concealer · Lists silicones
SHEGLAM
Buttery Bliss Blush Stick
Blush · Lists fragrance, fragrance allergens
Tree Hut
Candy Cane Lip Butter
Lip · Lists fragrance, silicones
Clinique
Chubby Lash Fattening Mascara
Mascara · Lists silicones
Almay
Clear Complexion Concealer
Concealer · Lists exfoliating acid, silicones, salicylic acid
TIRTIR
Collagen Lifting Eye Cream
Eye cream · Lists fragrance, silicones
Catrice
Colour Flush pH-Reactive Multi Stick
Blush · None of Poliage’s flag groups listed
Cien
Crème de jour anti-rides Q10
Lists fragrance, fragrance allergens, drying alcohol, parabens, silicones, chemical UV filters
AmLactin
Crepe Firming Cream with 15% Lactic Acid AHA
Exfoliant · Lists silicones, coconut derivatives
SHEGLAM
Crystal Intentions Protection Mantra Roller Lip Oil-Obsidian
Lip · Lists silicones
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