Quick answer
Synthetic emollient that provides moisture retention; Acts as a lubricant on skin’s surface; Often used as a replacement for mineral oil or silicones in a formula; Deemed safe as used in cosmetics Key benefits: Hydration.
Hydrogenated Polyisobutene
Updated
Propene, 2-methyl-, homopolymer
Purpose
Synthetic emollient with research backing its ability to provide long-lasting moisture retention. It acts as a lubricant on skin’s surface, providing a soft, smooth feel.
Rating
GOOD
Category
Emollient, Texture Enhancer, Polymer
INCI Purpose
SKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT, VISCOSITY CONTROLLING
Benefits
Alternative Names
At a Glance
Synthetic emollient that provides moisture retention
Acts as a lubricant on skin’s surface
Often used as a replacement for mineral oil or silicones in a formula
Deemed safe as used in cosmetics
Article
Hydrogenated polyisobutene is a synthetic, relatively viscous emollient with research backing its ability to provide long-lasting moisture retention. It acts as a lubricant on skin’s surface, providing a soft, smooth feel.
In some formulas, hydrogenated polyisobutene is used as a substitute for mineral oil or silicones because of its similar action to help maintain skin’s moisture barrier and improve the feel of skin care products.
The independent Cosmetic Ingredient Review Board found hydrogenated polyisobutene is safe as used in cosmetics, where it is generally found in amounts of 4% or less.
See: Polyisobutene
References