Allantoin Acetyl Methionine
INCI: ALLANTOIN ACETYL METHIONINE
A skin-conditioning amino acid derivative that soothes and protects the skin barrier
Best For Skin Types
All, Sensitive, Dry
Addresses
Usage Frequency
Daily
What Is Allantoin Acetyl Methionine?
Allantoin Acetyl Methionine is a synthetic amino acid derivative combining allantoin (a naturally derived compound found in comfrey) with acetyl methionine (a modified amino acid). It functions primarily as a skin conditioner and protectant in skincare formulations.
This ingredient works at the skin's surface to support the skin barrier and reduce irritation. It is used in relatively small concentrations within skincare products and is considered a multifunctional additive rather than a primary active ingredient.
How It Works
The ingredient appears to work through multiple mechanisms. Allantoin is known to support skin repair and wound healing processes, whilst the acetyl methionine component contributes amino acids that the skin requires for maintaining structural integrity.
Together, these components are thought to strengthen the skin barrier's lipid profile and reduce transepidermal water loss, helping to prevent irritation and maintain skin hydration.
Clinical Evidence & References
Published evidence specifically examining Allantoin Acetyl Methionine in isolation is limited. Most research focuses on allantoin alone, which has a longer history of use in skincare and wound care applications, showing modest benefits for barrier repair and skin comfort.
The ingredient is generally recognised as safe and well-tolerated in cosmetic use, though robust clinical studies comparing formulations with and without this ingredient at therapeutic concentrations are sparse. It is best regarded as a supportive rather than transformative ingredient.
How to Use
This ingredient is typically found in moisturisers, serums, and barrier repair products. Since it works best as part of a broader skincare routine, pair it with other hydrating or soothing actives like glycerin, ceramides, or niacinamide. Use twice daily as part of your regular cleanse-treat-moisturise routine.
Safety & Precautions
Regulatory information
Standardised cosmetic-ingredient identifiers used by regulators.
Show identifiers
- INCI Name
- ALLANTOIN ACETYL METHIONINE
- EC Number
- 224-126-2
- Function
- Antistatic, Skin Conditioning, Skin Protecting, Soothing
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