Diisopropyl Heptyl Phosphine Oxide
INCI: DIISOPROPYL HEPTYL PHOSPHINE OXIDE
Reviewed by Daisy · Last updated 18 Aug 2026
What Is Diisopropyl Heptyl Phosphine Oxide?
Diisopropyl Heptyl Phosphine Oxide (INCI: DIISOPROPYL HEPTYL PHOSPHINE OXIDE) is a cosmetic ingredient listed in the EU CosIng inventory. Phosphine oxide, heptylbis(1-methylethyl)-.
Its declared cosmetic function is not reported.
Source: European Commission CosIng inventory.
From the Clinic
Not sure what your skin actually needs?
Two minutes, a few questions, and we’ll point you at what matters — no guesswork.
Take the skin quizRelated Ingredients
Aminomethyl Propanol
Used to adjust and control the pH of a formulation
Decyloxazolidinone
Functions as a preservative
Disodium Phosphate
“Behind-the-scenes” ingredient commonly used as a buffering agent/pH adjuster
Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer
Versatile polymer widely used in skin care and makeup
Hypochlorous Acid
Naturally occurring oxidizing ingredient
Snail Secretion Filtrate
K-beauty star ingredient for soothing and hydration
Learn More About Skincare Ingredients
Explore our comprehensive ingredient glossary to understand what's in your products.
Browse All IngredientsShop Our Products
Find professional skincare solutions at Skintique.