QUATERNIUM-78

Other

60

Moderate

About QUATERNIUM-78

A multifunctional esterquat conditioning agent with mixed C16/C18 fatty acid profile used for dense substantivity and high-performance detangling.

Detailed Analysis

Quaternium-78 is an esterquat with mixed hexadecanoyl and octadecanoyl chains, ethoxylated, presented as ethyl sulfate salt. Esterquats are generally well tolerated but may appear in EU Annex III if specific use limits apply. The ethyl sulfate counterion warrants attention for potential residual toxicity.

Skin Benefits

  • Exceptional substantivity to damaged hair
  • High-performance detangling
  • Antistatic properties

Known Concerns

  • Mild eye irritant
  • Complex polyamine structure may be a sensitizer
  • Ethyl sulfate salt requires impurity monitoring

Safety Score

60

Moderate

Based on EU regulatory data, published safety research, and ingredient function analysis.

References

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EU CosIng Database

European Commission cosmetic ingredient registry

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This information is for educational purposes only and does not constitute medical advice. Always consult a healthcare professional for skin concerns or allergies.