What it is
Hydrogenated Polyisobutene is a synthetic oil that is often used as a substitute for mineral oil and squalene.
What it does
Hydrogenated Polyisobutene is an emollient that keeps skin moisturized and prevents water loss.
In addition, it is a waterproof agent in sunscreens and makeup: this means that it can ensure SPF retention even after exposure to water.
Hydrogenated Polyisobutene is generally considered to be safe.
(Sources: cosmeticsinfo.org and truthinaging.com)
Take The Guesswork Out Of Skincare Shopping
Get access to the “Pro Skincare Library” for exclusive skincare routine “cheat sheets” and tricks to help you navigate the beauty aisles jungle like a pro and immediately know what to pick off the shelves to achieve the gorgeous skin of your dreams - even when you’re drowning in an endless sea of skincare products.