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Polyisobutene

Synthetic film-former and emollient — Polyisobutene provides lipsticks and eyeshadows with a characteristic glossy shine and long-lasting hold. It is also an important component of long-wear products and waterproof cosmetics.

Film-formerGlossWaterproofnesslip gloss
✓ Safe
Comedogenic Rating
0/5
Irritation Potential
0/5

What is it?

Polyisobutene (PIB) and Hydrogenated Polyisobutene (HPIB) — synthetic isobutylene polymers. PIB — liquid, sticky, glossy. HPIB — saturated, more stable, less sticky. Functions: film-former, gloss agent, emollient, thickener in anhydrous systems. In INCI: Polyisobutene / Hydrogenated Polyisobutene.

Key component of lip gloss, liquid lipsticks, and highlighters. Also in waterproof mascaras and eyeshadows. In skincare products — a lightweight emollient without greasiness.

Key Benefits

✦
Perfect gloss in lip gloss
Polyisobutene is the ingredient responsible for the characteristic mirror-like shine and "jelly" texture of lip gloss. It forms a flexible transparent film with maximum light reflection.
◈
Waterproofness and long-lasting hold
Hydrogenated Polyisobutene forms a water-repellent film — a basic component of waterproof mascaras and eyeshadows with long-wear formulas.
✧
Lightweight emollient without occlusion
HPIB in skincare products — a lightweight non-occlusive emollient that does not clog pores and leaves a dry feel compared to mineral oil.

Suitable for

For all skin types (decorative)For oily skin (HPIB)

Main Actions

✓ Film formation✓ Gloss✓ Waterproofness✓ Emolliency
PIB vs mineral oil

Polyisobutene and mineral oil — both hydrocarbons, but different. PIB — a polymer (larger molecule), more glossy and film-forming. Mineral oil — lighter, occlusive. HPIB is a lighter and more modern substitute for mineral oil in contemporary formulas.

Frequently Asked Questions

What does Polyisobutene do for skin?
Key component of lip gloss, liquid lipsticks, and highlighters. Also in waterproof mascaras and eyeshadows. In skincare products — a lightweight emollient without greasiness.
Who should use Polyisobutene?
Polyisobutene is suitable for: For all skin types (decorative), For oily skin (HPIB).
Are there any warnings about Polyisobutene?
Polyisobutene and mineral oil — both hydrocarbons, but different. PIB — a polymer (larger molecule), more glossy and film-forming. Mineral oil — lighter, occlusive. HPIB is a lighter and more modern substitute for mineral oil in contemporary formulas.

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