(2-Acetoxyethyl)trimethylammonium hydroxide (Acetylcholine) and its salts
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
A natural neurotransmitter and signaling molecule that can act as a muscle-relaxing agent when applied topically in cosmetic formulations.
Acetylcholine is a fundamental endogenous neurotransmitter involved in neuromuscular signaling and various physiological processes. In topical cosmetic applications, it functions as a skin-conditioning agent potentially supporting muscle relaxation and reducing the appearance of expression lines. It is not subject to specific EU cosmetic restrictions and has a well-characterized safety profile at cosmetic-use concentrations.
Skin benefits
- May support skin-conditioning and muscle relaxation effects
- Potential anti-aging benefits through neuromodulation
Known concerns
- Rapidly degraded by cholinesterases in topical applications
- Efficacy in cosmetic formulations dependent on penetration and stability
References
EU CosIng database
European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.
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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve, so always read the physical product label and consult a healthcare professional for personal concerns.