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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.

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