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Moumoujus

PALMAMIDE DEA.

Questionable / EMULSION STABILISING, SURFACTANT - CLEANSING, SURFACTANT - EMULSIFYING, SURFACTANT - FOAM BOOSTING, VISCOSITY CONTROLLING

Palmamide DEA is a non-ionic surfactant primarily utilized to stabilize emulsions, boost foam performance, and enhance the overall texture and mildness of cosmetic formulations. Derived from palm kernel oil, it is a versatile ingredient commonly found in various cleansing and conditioning products.

Summary

emulsifying emulsion stabilising foam boosting surfactant viscosity controlling

Science

Mechanism of Action

This ingredient functions as an emulsifier, co-emulsifier, and solubilizer by effectively reducing surface tension, which facilitates the stable blending of oil and water phases. In cleansing formulations, it significantly enhances foam characteristics, leading to increased height, density, stability, and a creamier feel. It also acts as a viscosity controlling agent, allowing for precise adjustment of product thickness. On the skin, Palmamide DEA contributes to a milder experience by reducing the potential irritation of harsher anionic surfactants through modifications in micelle size and improved surfactant distribution. In hair care, it promotes smoother, softer hair by enhancing wet combability, lubrication, and the deposition of conditioning oils.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Both
Optimal pH N/A
0 7 14

Stability

Generally stable under normal handling, but sensitive to oxidation, which may cause a gradual yellow-to-brown discoloration over time. Prolonged exposure to elevated temperatures can lead to thermal decomposition. Optimal stability is maintained by protecting the ingredient from excessive heat, direct sunlight, and moisture. It exhibits broad pH tolerance, allowing reliable function across diverse processing conditions.

Synergies

  • Anionic surfactants (enhances mildness and reduces irritation potential)

Conflicts

  • Strong oxidizing agents (potential for degradation, discoloration, or exothermic reactions)
  • Nitrosating agents (risk of forming carcinogenic N-nitroso compounds)

Safety

Safety Profile

CIR Status
Safe with restrictions
Max tested
Subject to strict regulatory limits; for instance, the EU permits a maximum secondary amine content of 0.5% in finished products, with nitrosamine levels not exceeding 50 µg/kg. Must also be formulated to limit free diethanolamine (DEA) content.%
Sensitization risk Low

Global regulatory bodies, including CIR and the European Cosmetics Directive, impose stringent restrictions due to the potential formation of carcinogenic N-nitroso compounds when used with nitrosating agents, and concerns about residual free diethanolamine (DEA). Products containing Palmamide DEA must be carefully formulated to ensure minimal levels of free DEA and to prevent interaction with nitrosating systems. Although a 1998 NTP animal study linked topical DEA application to certain cancers, the FDA indicates no established link in humans based on current cosmetic use, suggesting no reason for consumer alarm.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Questionable

Palmamide DEA offers valuable functional benefits as a surfactant, mildness enhancer, and viscosity controller. However, the stringent regulatory restrictions concerning residual free DEA and the potential for carcinogenic nitrosamine formation raise significant formulation challenges and present a questionable profile for precision skincare formulations prioritizing utmost ingredient safety and transparency.

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