Skip to content

Hair Conditioning

HYDROLYZED EGG PROTEIN

CAS 91079-86-6 Updated
55

Safety score · 0–100

Moderate

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

About

A hair- and skin-conditioning hydrolysate from egg protein. Long-used in haircare, but a notable allergen risk for users with egg allergies — sensitization can develop even from topical exposure.

Function

HAIR CONDITIONING

Skin benefits

  • Hair and skin conditioning via amino acids
  • Film-forming for hair shine and softness
  • Established in haircare for decades

Known concerns

  • Significant allergen risk — egg proteins are top-8 food allergens
  • Potential for sensitization and cross-reactivity in egg-allergic users
  • Microbial contamination risk requires careful preservation
  • Unsuitable for vegan formulations

References

EU

EU CosIng database

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

Related hair conditionings

55
ACRYLAMIDOPROPYLTRIMONIUM CHLORIDE/ACRYLAMIDE COPOLYMER
Hair Conditioning
 55
ADIPIC ACID/EPOXYPROPYL DIETHYLENETRIAMINE COPOLYMER
Hair Conditioning
 55
AMIDINOCYSTEINE
Hair Conditioning
 55
BEHENYL HYDROXYETHYL IMIDAZOLINE
Hair Conditioning
 55
BIS-(MORPHOLINOMETHYL C1-4 DIALKOXYSILOXY) DIMETHICONE
Hair Conditioning
 55
BIS-HYDROXYETHYL TALLOWMONIUM CHLORIDE
Hair Conditioning
 55
CETETHYLDIMONIUM BROMIDE
Hair Conditioning
 55
CETRIMONIUM CHLORIDE
Hair Conditioning

Check your shelf

Find HYDROLYZED EGG PROTEIN in your products.

Scan any cosmetic product with LuxSense to see if it contains HYDROLYZED EGG 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.