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LAURAMIDOPROPYL HYDROXYSULTAINE.

Valuable / ANTISTATIC, CLEANSING, HAIR CONDITIONING, SKIN CONDITIONING, SURFACTANT - CLEANSING, SURFACTANT - FOAM BOOSTING, VISCOSITY CONTROLLING

Lauramidopropyl Hydroxysultaine is a gentle, amphoteric surfactant valued for its ability to effectively cleanse while maintaining skin and hair health. It functions by reducing surface tension, facilitating the harmonious blending of oil and water in formulations. Its exceptional mildness makes it suitable for sensitive skin types.

Summary

Antistatic Cleansing Foam Boosting Hair Conditioning Skin Conditioning Surfactant Viscosity Controlling

Science

Mechanism of Action

As an amphoteric surfactant, Lauramidopropyl Hydroxysultaine reduces the surface tension between immiscible liquids, allowing oil and water to emulsify and blend efficiently. This mechanism underpins its role as a cleansing agent, effectively removing impurities. Beyond cleansing, it significantly enhances foam quality, acting as a robust foam booster, and imparts antistatic properties. It also functions as a hair and skin conditioning agent, promoting softness and manageability, and serves as a viscosity controlling agent to optimize product texture. Its gentle interaction with the skin and hair is a key attribute, capable of mitigating the irritation potential of more aggressive anionic surfactants when used in combination.

Research

Clinical Evidence

Medium confidence
Effective range N/A
Optimal

N/A

Key findings

  1. 01 A Human Repeated Insult Patch Test (HRIPT) demonstrated no irritation or sensitization at this concentration, affirming its mild profile.

Transparency

Dusting Analysis

Not commonly dusted

Insufficient data available to assess dusting potential or thresholds.

The Formula

Formulation

Solubility
Water
Optimal pH 3 – 11
0 7 14

Stability

Exhibits stability across a broad pH spectrum, from acidic to alkaline conditions.

Synergies

  • Effectively co-surfactants with anionic surfactants, notably reducing their potential for skin irritation.

Conflicts

  • Must be avoided in cosmetic formulations where N-nitroso compounds could potentially form.
  • Manufacturers must rigorously minimize the presence of 3,3-dimethylaminopropylamine (DMAPA) and related sensitizing impurities.

Safety

Safety Profile

CIR Status
Safe as used
Max tested
12%
Sensitization risk Low

The CIR Expert Panel affirms its safety in cosmetics at current usage practices and concentrations up to 12.0%. Adherence to cGMPs is crucial to limit nitrosatable impurities, and manufacturers are advised to minimize DMAPA content to prevent sensitization.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

Lauramidopropyl Hydroxysultaine is a valuable amphoteric surfactant for a wide range of cosmetic applications, offering effective cleansing, conditioning, and foam-boosting properties with a demonstrably low risk of irritation across all skin types.

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