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pH Adjuster

TEA-HYDROCHLORIDE

CAS 637-39-8 Updated
45

Safety score · 0–100

Moderate

Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.

About

The HCl salt of triethanolamine, used as a pH buffer. TEA chemistries are restricted in the EU because they can form nitrosamines if combined with nitrosating ingredients.

Function

VISCOSITY CONTROLLING

Skin benefits

  • pH adjuster
  • Buffering agent in formulas

Known concerns

  • Triethanolamine can form nitrosamines with secondary nitrosating agents
  • EU SCCS limits TEA use
  • Eye irritation reports

References

EU

EU CosIng database

European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.

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Check your shelf

Find TEA-HYDROCHLORIDE in your products.

Scan any cosmetic product with LuxSense to see if it contains TEA-HYDROCHLORIDE and get a full ingredient breakdown with safety scores.

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.