Skip to content

Conditioning Agent

CETEARAMIDOETHYLDIETHONIUM SUCCINOYL HYDROLYZED SOY PROTEIN

78

Safety score · 0–100

Fine

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

About

A "protein quat" — combines the cationic binding of a standard hair-conditioning quat with the repairing amino acids of hydrolyzed soy protein. Smooths and strengthens damaged hair in one molecule.

Cetearamidoethyldiethonium Succinoyl Hydrolyzed Soy Protein is a conjugate molecule: a cationic quaternary ammonium compound ("quat") chemically linked via succinic acid to hydrolyzed soy protein. The quat portion carries the positive charge that lets the molecule bind to the negatively charged surface of damaged hair, while the soy protein fragments deliver amino acids that help fill in and reinforce the cuticle. This class — sometimes called "protein quats" — is considered a premium hair conditioning technology because it combines the smoothing of conventional conditioners with targeted protein repair. Safety profile is typical for quats: low irritation in rinse-off products, slightly higher in leave-on. Soy protein in hydrolyzed form carries much lower allergenic potential than intact soy, but people with confirmed soy allergy should still be cautious. Like other quats, environmental persistence is moderate.

Function

HAIR CONDITIONING

Skin benefits

  • Premium hair conditioning
  • Protein repair for damaged cuticles
  • Reduces tangles and breakage
  • Smooths and softens hair

Known concerns

  • Mild irritation potential in leave-on products
  • Soy allergen (hydrolyzed form is lower risk)
  • Moderate environmental persistence

References

EU

EU CosIng database

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

Related conditioning agents

78
ACORUS GRAMINEUS CALLUS CULTURE CONDITIONED MEDIA
Conditioning Agent
 78
ALBIZIA JULIBRISSIN BARK/SEED EXTRACT
Conditioning Agent
 78
AMP-ISOSTEAROYL WHEAT/CORN/SOY AMINO ACIDS
Conditioning Agent
 78
ASPERGILLUS/ANGELICA TENUISSIMA ROOT EXTRACT FERMENT FILTRATE
Conditioning Agent
 78
AZA-OXOHYPOXANTHINE
Conditioning Agent
 78
BIS-GLUCONAMIDOETHYLAMINOPROPYL DIMETHICONE
Conditioning Agent
 78
BIS-HEA IPDI/PPG-34 COPOLYMER
Conditioning Agent
 78
BIS-HEA POLYGLYCOL ADIPATE/IPDI COPOLYMER
Conditioning Agent

Check your shelf

Find CETEARAMIDOETHYLDIETHONIUM SUCCINOYL HYDROLYZED SOY PROTEIN in your products.

Scan any cosmetic product with LuxSense to see if it contains CETEARAMIDOETHYLDIETHONIUM SUCCINOYL HYDROLYZED SOY PROTEIN 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.