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Moumoujus

APRICOTAMIDOPROPYL BETAINE.

Valuable CAS 133934-08-4 / ANTISTATIC, CLEANSING, HAIR CONDITIONING, SKIN CONDITIONING, SURFACTANT - CLEANSING, SURFACTANT - FOAM BOOSTING, VISCOSITY CONTROLLING

A sophisticated amphoteric surfactant derived from apricot kernel oil that bridges the gap between effective cleansing and skin barrier preservation. It serves as a multifunctional conditioning agent that enhances foam texture while mitigating the potential harshness of traditional cleansing systems.

Summary

surfactant/cleansing foam boosting skin conditioning viscosity controlling antistatic

Science

Mechanism of Action

As a zwitterionic (amphoteric) molecule, it carries both positive and negative charges, allowing it to reduce surface tension and emulsify oils without disrupting the skin's lipid bilayer. It specifically acts as a secondary surfactant to buffer the irritancy of anionic detergents, providing foam stabilization and depositing lipid-derived conditioning benefits onto the stratum corneum.

Research

Clinical Evidence

High confidence
Effective range 0.5–5%
Optimal

3%

Key findings

  1. 01 A 2012 safety assessment by the CIR Expert Panel determined 3.0% as the maximum safe active concentration for leave-on formulations to ensure non-sensitizing performance.
  2. 02 In vitro studies using Calu-3 cell monolayers demonstrated high cellular tolerance at 50 mg/mL (5%), with lysis rates as low as 3.63%, confirming its low cytotoxicity compared to traditional surfactants.

Transparency

Dusting Analysis

Not commonly dusted
Min. effective
0.5%
Red flag below
0.1%

Typically utilized for its functional properties in viscosity and foam stabilization; levels below 0.5% in rinse-off products may indicate a 'label claim' inclusion rather than a functional surfactant role.

The Formula

Formulation

Solubility
Water
Optimal pH 5 – 7
0 7 14

Stability

Maintains structural integrity across a pH range of 4.5 to 8.0, though peak performance in viscosity and foam density is localized between pH 5.0 and 7.0.

Synergies

  • Sodium Lauryl Sulfate (to reduce irritation potential)
  • Glycerin
  • Cationic conditioning polymers

Conflicts

  • Nitrosating agents (due to nitrosamine formation risk)
  • Strongly acidic environments (<4.0)
  • Specific anionic-heavy ratios (potential for precipitation)

Safety

Safety Profile

CIR Status
Safe as used
Max tested
3%
Pregnancy
Safe
Sensitization risk Low

Safety is contingent on purity levels; manufacturing must ensure 3-dimethylaminopropylamine (DMAPA) remains below 0.01% and amidoamine below 0.5% to eliminate sensitization potential.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

An excellent, skin-friendly co-surfactant that provides necessary mildness and conditioning for precision cleansing formulations.

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