Best For Skin Types
All, Dry, Mature
Addresses
Usage Frequency
Daily
What Is Bisamino PEG …?
Bisamino PEG/PPG-41/3 Aminoethyl PG-Propyl Dimethicone is a modified silicone polymer — a large molecule engineered to condition and coat the skin. It belongs to a class of ingredients designed to improve the feel and appearance of products whilst creating a protective layer on the skin surface.
This ingredient is used sparingly in skincare formulations, appearing in fewer than one in a thousand products. Its primary role is to enhance texture and smoothness rather than deliver active benefits.
How It Works
This silicone polymer works by depositing a thin, invisible film on the skin. The molecule's structure allows it to spread evenly and adhere to the skin surface, creating a smoothing effect and a subtle protective layer.
The 'amino' components in its name indicate it has been chemically modified to improve compatibility with skin and other formula ingredients, allowing it to blend more seamlessly than unmodified silicones.
Clinical Evidence & References
Published research specifically on this ingredient is limited. Like other silicone conditioning agents, it is presumed to work through barrier protection and surface smoothing, mechanisms well-established for related silicone polymers in skincare.
Its low prevalence in formulations suggests it serves a niche role, likely chosen by formulators for specific texture or sensory preferences rather than clinical efficacy. Safety data from its cosmetic use is reassuring, though long-term skin impact studies are sparse.
How to Use
This ingredient is typically incorporated into finished formulations by the manufacturer rather than used standalone. If present in your skincare product, simply apply as directed. It works well in layered routines and does not require any special application technique.
Safety & Precautions
Frequently Asked Questions
From the Clinic
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Bis-Phenylpropyl Dimethicone
Synthetic, silicone-based polymer
Bis-Stearyl Dimethicone
A silicone conditioning agent that smooths the skin surface and helps products glide on evenly
Bis-Vinyldimethicone Crosspolymer
A silicone polymer that conditions skin and helps formulations glide smoothly
Borage Seed Oil PEG-7 Dimethicone Esters
A silicone-modified plant oil that conditions and softens whilst maintaining a lightweight feel
C20-24 Alkyl Dimethicone
A silicone emollient that smooths texture and improves product spreadability
C30-45 Alkyl Dimethicone
A silicone conditioning agent that smooths and protects the skin surface
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