Acetamide Mea
INCI: ACETAMIDE MEA
Reviewed by Kate · Last updated 14 Aug 2026
A multifunctional ingredient that conditions skin whilst helping formulations feel lighter and more stable
Best For Skin Types
All
Addresses
Usage Frequency
As directed by the formulation
What Is Acetamide Mea?
Acetamide MEA is a synthetic compound derived from acetic acid and monoethanolamine. In skincare, it functions as a humectant—meaning it helps attract and bind water to the skin—whilst also serving several cosmetic purposes that improve how a product feels and performs.
Because it can reduce static charge, boost foam stability, and control viscosity, it's often used in cleansers and conditioning products rather than serums or lightweight moisturisers. It appears in approximately 0.1% of skincare formulations, suggesting it's a minor ingredient typically combined with other actives rather than a starring player.
How It Works
Acetamide MEA works by drawing moisture from the environment and deeper skin layers towards the surface, where it can be retained by the stratum corneum. This humectant action is gentle and supports overall hydration without occlusion.
Its secondary functions—controlling viscosity and stabilising formulations—ensure products perform as intended, which indirectly supports better skin outcomes by allowing other beneficial ingredients to remain stable and effective.
Clinical Evidence & References
Acetamide MEA is not widely studied in published dermatological research. Most evidence for its safety and function comes from cosmetic chemistry literature and historical use in personal care products. It is considered a safe, well-tolerated ingredient by regulatory bodies including the European Commission and CosIng database.
Its humectant properties are consistent with other polyol-derived ingredients, though direct comparative studies in humans are limited. It is best viewed as a functional cosmetic ingredient that improves formulation stability and feel rather than a targeted active with proven clinical benefits.
How to Use
Acetamide MEA is not an ingredient you would select independently; it appears as part of finished formulations. Look for it listed in the INCI declaration if you're checking a product's full composition. Because it's typically a minor ingredient, its presence has little bearing on how you use the product—follow the instructions provided for your specific cleanser or conditioner.
Safety & Precautions
Frequently Asked Questions
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