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Moumoujus

AMP-ISOSTEAROYL HYDROLYZED SOY PROTEIN.

Valuable CAS 156715-45-6 / CLEANSING, HAIR CONDITIONING, SKIN CONDITIONING, SURFACTANT - CLEANSING, SURFACTANT - EMULSIFYING

This ingredient is a modified soy protein, combining a hydrophilic protein backbone with a lipophilic isostearoyl chain. It provides moisture retention and conditioning effects to both skin and hair.

Summary

skin conditioning hair conditioning emulsifying surfactant - cleansing

Science

Mechanism of Action

It functions as a skin-conditioning and emulsifying agent, reducing surface tension to stabilize emulsions. On the skin, it forms a protective, moisture-retentive film and offers antioxidant benefits from its isoflavone content.

Research

Clinical Evidence

High confidence
Effective range 0.1–10%
Optimal

3.5%

Key findings

  1. 01 NIH (PubMed), Cosmetics Additives Guide
  2. 02 CIR Safety Assessment of Soy Proteins (2015)

Transparency

Dusting Analysis

Not commonly dusted

No specific data available regarding dusting behavior for this ingredient.

The Formula

Formulation

Solubility
Oil
Optimal pH 4.5 – 8
0 7 14

Stability

Highly stable across a broad pH range (4.5-8.0); however, protein solubility is lowest around its isoelectric point (pH 4.6). It is often supplied as an oily liquid.

Conflicts

  • Nitrosating agents
  • Strong oxidizing agents
  • Highly acidic environments below pH 2.0

Safety

Safety Profile

CIR Status
Safe as used
Max tested
3.5%
Sensitization risk Low

Deemed safe in current practices. Dermal exposure is not expected to induce Type I hypersensitivity despite being a food allergen, due to its molecular weight and limited skin penetration.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

AMP-Isostearoyl Hydrolyzed Soy Protein is a versatile ingredient, offering excellent conditioning, emulsifying properties, and antioxidant benefits with a strong safety profile across all skin types.

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