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Moumoujus

HYDROXYPROPYL HYDROLYZED STARCH HYDROXYPROPYLTRIMONIUM CHLORIDE.

Valuable / ANTISTATIC, FILM FORMING, HAIR CONDITIONING

This modified starch derivative functions as a versatile cationic polymer in skincare. It effectively enhances skin hydration, improves texture, and imparts a smooth, soft feel by forming a conditioning film.

Summary

Skin conditioning Humectant Film-forming Viscosity enhancer Antistatic

Science

Mechanism of Action

As a cationic polymer, Hydroxypropyl Hydrolyzed Starch Hydroxypropyltrimonium Chloride leverages its positively charged molecular groups to electrostatically bind with the skin's naturally negatively charged surface. This interaction creates a lightweight, conditioning film that is instrumental in retaining skin moisture, promoting a smoother texture, and softening the skin. Beyond its direct skin benefits, it acts as a humectant and can improve the rheological properties and stability of cosmetic formulations.

Research

Clinical Evidence

Insufficient-data confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Water
Optimal pH N/A
0 7 14

Stability

This ingredient integrates readily into aqueous formulations, generally requiring no specialized hydration or heating for proper dispersion.

Safety

Safety Profile

CIR Status
Safe as used
Max tested
15%
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel has assessed related starch hydroxypropyltrimonium chloride ingredients as safe for cosmetic use. A Human Repeat Insult Patch Test (HRIPT) involving 47 subjects demonstrated no potential for skin irritation or allergic contact sensitization when Hydroxypropyltrimonium Hydrolyzed Corn Starch was applied at a 15% concentration.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

A well-tolerated and valuable cationic polymer that significantly contributes to skin hydration, smoothness, and overall texture, making it suitable for a wide range of skincare applications.

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