pH Adjuster
ITACONIC ACID
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A bio-based dicarboxylic acid used as a building block for cosmetic polymers and as a pH adjuster. PubChem flags eye-damage hazard at neat strength but neutralized in product it is well tolerated.
Function
Skin benefits
- Bio-based building block
- Polymer precursor in cosmetic films
- Mild acid for pH adjustment
Known concerns
- Causes serious eye damage (H318)
- Skin irritation (H315) reported
- Should be neutralized in finished formulas
References
EU CosIng database
European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.
Related ph adjusters
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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve — always read the physical product label and consult a healthcare professional for personal concerns.