Bio-identical dipeptide
THREONYL ORNITHINE
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
A short dipeptide built from threonine and ornithine, used in gentle anti-ageing serums and overnight creams. It is generally well tolerated, though efficacy data come mainly from suppliers.
Function
Skin benefits
- Small dipeptide proposed to support a smoother skin appearance
- Soluble in aqueous serum systems and easy to formulate
- Pairs well with humectants such as glycerin and hyaluronic acid
- Low irritation profile in cosmetic patch tests
Known concerns
- Independent clinical evidence on this exact dipeptide is limited
- Anti-ageing efficacy claims rely on supplier in vitro data
- Stability needs careful pH management
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.