emollient
Polyisobutene
Generally safe·Moderate evidence
A synthetic film-forming emollient that provides a protective, flexible layer on skin. Not absorbed and well tolerated with no documented safety issues in cosmetic use.
Products with Polyisobutene
- 100e.l.f.No Budge Retractable Eyeliner
- 99Louis WidmerDay Cream
- 99EquateBeauty Hydrating Cleanser
- 98EltaMDUV Physical Broad-Spectrum SPF 41
- 98EltaMDUV Physical
- 97Skin RocksThe Hyperpigmentation Serum
- 97EltaMDUV Daily Hydration+ Tinted
- 97L'Oreal ParisInfallible Grip Waterproof Mechanical Gel Eyeliner
- 95RevlonColorstay Full Coverage Foundation
- 94StarfaceHydro-Star + Salicylic Acid
- 92ClioKill Lash Superproof Mascara (Long Curling)
- 88e.l.f. SkinHoly Hydration! Face Cream
- 87Agent Nateurholi(lift) Ageless Lifting and Firming Serum
- 80COSRXMaster Patch Intensive
- 80MizonGood Night White Sleeping Mask
- 78PCA SkinBPO 5% Cleanser
- 75RevlonColorstay Limitless Matte Liquid Lipstick Manifest
- 75RevlonColorstay Limitless Matte Liquid Lipstick Poster Child
- 72e.l.f. CosmeticsGlow Reviver Lip Oil
- 72e.l.f.Glow Reviver Lip Oil
- 42Bath and Body WorksA Thousand Wishes
References
Cosmetic information for general education, not medical advice. A verdict is a reading of the published evidence, never a guarantee for your skin: any ingredient can irritate someone, so patch test new products and see a professional if you react. Concern is graded on cited evidence, never on hazard-score lists. See how we score.