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Moumoujus

AMP-ISOSTEAROYL HYDROLYZED KERATIN.

Valuable / CLEANSING, HAIR CONDITIONING, SKIN CONDITIONING, SURFACTANT - CLEANSING

An acylated keratin peptide, this ingredient acts as a powerful skin and hair conditioner. It forms a protective, non-occlusive film, helping to preserve moisture and smooth the skin's surface.

Summary

skin conditioning hair conditioning cleansing surfactant

Science

Mechanism of Action

The isostearoyl component enhances its affinity for the skin's lipid barrier, while hydrolyzed keratin peptides provide humectant properties. It improves structural resilience and contributes to skin conditioning.

Research

Clinical Evidence

High confidence
Effective range 3–5%
Optimal

N/A

Key findings

  1. 01 Efficacy study of 3% hydrolyzed keratin hand cream showing skin-conditioning benefits.
  2. 02 Human patch tests up to 5% hydrolyzed keratin showed no sensitization or irritation.

Transparency

Dusting Analysis

Not commonly dusted

There is no information in the provided research data to suggest this ingredient is commonly dusted or presents dusting concerns.

The Formula

Formulation

Solubility
Both
Optimal pH 4 – 7
0 7 14

Stability

The ingredient is a salt form (AMP), improving aqueous compatibility, while its fatty acid chain provides oil-phase affinity. Often supplied in hydro-alcoholic solutions.

Conflicts

  • Strongly cationic surfactants
  • Anionic polymers at very low pH
  • Strong oxidizing agents

Safety

Safety Profile

CIR Status
Safe as used
Max tested
5%
Sensitization risk Low

The CIR Expert Panel found keratin-derived ingredients, including hydrolyzed versions, safe for cosmetic use. Bovine/ovine sources are safe with specific purity standards.

Your Skin

Skin Compatibility

Yes Normal
Yes Dry
Yes Oily
Yes Sensitive
Irritancy Low
Comedogenicity Low

Our Assessment

Verdict

Valuable

AMP-Isostearoyl Hydrolyzed Keratin is a valuable conditioning agent, well-supported by safety data and suitable for diverse skin types.

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