pH Adjuster
TRONA
Safety score · 0–100
Good
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A naturally occurring sodium carbonate/bicarbonate mineral used as a buffering and pH-adjusting agent in cosmetics. Well tolerated when used at appropriate concentrations, mainly in rinse-off and cleansing formulations.
Skin benefits
- Naturally occurring mineral buffer
- Useful for pH adjustment in cleansing products
- Mild alkaline effect, well tolerated when neutralized
- Soft, low-irritation mineral particulate
Known concerns
- Highly alkaline if used at high concentrations on skin
- May cause minor irritation in leave-on products if unbuffered
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.