Ingredient

Hydrogenated Polyisobutene

Neutral in 3

What is Hydrogenated Polyisobutene?

Hydrogenated Polyisobutene is a synthetic polymer made from polyisobutene, which is then hydrogenated to enhance its stability and texture. It is a colorless, odorless oil-like substance often used in the cosmetics and personal care industry.

The primary use of Hydrogenated Polyisobutene is as an emollient and moisturizer in various skincare and makeup products. It helps improve the texture and spreadability of products. Scientific studies regarding its safety are limited, but it is generally considered safe for topical use with low risk of irritation.

When you see Hydrogenated Polyisobutene on a product label, it typically suggests a role in enhancing the sensory attributes of the product, such as a smooth application or moisturizing properties.

Commonly found in: lip gloss, moisturizers, foundation, eye creams, sunscreens

What to watch

  • Has a low risk of skin irritation in sensitive individuals.

Benefits

  • Acts as an effective emollient, leaving the skin feeling soft and smooth.
  • Improves the spreadability and texture of cosmetic products.
FDA

Hydrogenated Polyisobutene is not specifically regulated by the FDA but is commonly used in cosmetics without major concerns.

Research

There is limited research specifically on Hydrogenated Polyisobutene, but it is generally recognized as safe for cosmetic use based on its chemical profile.

Vegan

Hydrogenated Polyisobutene is synthetic and not derived from animal products; it is considered vegan-friendly.

Sources: Final Report on the Safety Assessment of Polyisobutene

Scout's take

Hydrogenated Polyisobutene is a synthetic polymer used as a skin conditioning agent. It provides a non-greasy, lightweight feel to the product. It is widely used in cosmetics and considered safe.

The case against

There are minimal risks associated with its use, primarily related to potential skin irritation in sensitive individuals.

from the analysis of e.l.f. Squeeze Me Lip Balm - Strawberry

There are minimal risks associated with this ingredient, though it is synthetic.

from the analysis of Kiehl's Since 1851 Creme de Corps Body Lotion with Cocoa Butter

The case for

It provides a non-greasy feel and helps to lock in moisture on the skin.

from the analysis of Kiehl's Since 1851 Creme de Corps Body Lotion with Cocoa Butter

It enhances the texture of the product and provides a silky feel.

from the analysis of e.l.f. Squeeze Me Lip Balm - Strawberry

More from Scout's analyses

Hydrogenated Polyisobutene is a synthetic emollient used to provide a smooth application. It is often used as a substitute for mineral oil. It is generally considered safe for use in cosmetics.

from the analysis of Kiehl's Since 1851 Creme de Corps Body Lotion with Cocoa Butter

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