Bis-Aminopropyl Diglycol Dimaleate
INCI: BIS-AMINOPROPYL DIGLYCOL DIMALEATE
Reviewed by Daisy · Last updated 14 Aug 2026
A conditioning agent that smooths hair and skin texture
Best For Skin Types
All, Dry, Combination
Addresses
Usage Frequency
Daily
What Is Bis-Aminopropyl Diglycol Dimaleate?
Bis-aminopropyl diglycol dimaleate is a synthetic conditioning polymer commonly used in hair and skincare formulations. It functions as a film-forming agent that deposits a protective layer on the surface of hair and skin.
In skincare, it works primarily as a skin conditioner, helping to improve the feel and appearance of the skin's surface by promoting smoothness and reducing roughness.
How It Works
This ingredient forms a thin, breathable film across the skin's surface. By coating the outer layers, it helps to fill fine irregularities and creates a smoother appearance, whilst the conditioning polymer mimics some properties of the skin's natural moisturising factors.
The maleate structure allows the ingredient to bond to the skin in a way that remains stable but still allows natural skin function to continue.
Clinical Evidence & References
Research specifically focused on bis-aminopropyl diglycol dimaleate in skincare is limited. The ingredient has a long history of use in cosmetics and is generally recognised as safe, though robust clinical efficacy data in peer-reviewed literature remains sparse.
Industry and safety assessments suggest it performs its conditioning and film-forming role reliably, but independent clinical studies comparing its effects to other conditioning agents would strengthen the evidence base.
How to Use
This ingredient is typically incorporated into formulations at low concentrations and does not require special application instructions. It works well in moisturisers, serums, and conditioning products, and can be used daily as part of a regular skincare routine.
Safety & Precautions
Frequently Asked Questions
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
Biosaccharide Gum-3
A polysaccharide humectant that helps skin retain moisture and maintain a smooth texture
Biosaccharide Gum-4
A polysaccharide-derived humectant that helps skin retain moisture
Biosaccharide Gum-5
A polysaccharide humectant that draws moisture into skin and supports hydration
Bis-Pentaerythrityl Triacrylate Poly(1,4-Butanediol)-9 …
A film-forming polymer that conditions and protects the nail barrier
Bismuth Subgallate
An insoluble mineral compound traditionally used to support skin-comforting and skin conditioning
Bletilla Striata Root Extract
A plant extract traditionally used to address uneven skin tone and oxidative stress
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.