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Moumoujus

BEHENYL PCA.

Valuable CAS 37673-38-4 / SKIN CONDITIONING

A sophisticated lipophilic ester that bridges the gap between the skin’s natural moisturizing factors (NMF) and its structural lipids. It provides a weightless, satin-finish barrier that reinforces the stratum corneum without the heavy occlusive feel of traditional waxes.

Summary

Ceramide-mimetic Emollient Skin-conditioning agent Barrier restructurer Humectant

Science

Mechanism of Action

Behenyl PCA acts as a ceramide-mimetic agent by integrating into the intercellular lipid matrix. The Pyrrolidone Carboxylic Acid (PCA) moiety provides humectant properties derived from the skin's NMF, while the C22 behenyl chain provides structural reinforcement to the lipid bilayer, reducing transepidermal water loss (TEWL) and improving cellular cohesion.

Research

Clinical Evidence

High confidence
Effective range 1–10%
Optimal

5%

Key findings

  1. 01 Technical evaluations by the Solabia Group indicate that Behenyl PCA (within the Waxidone complex) significantly restructures the skin barrier and enhances the mechanical durability of lipid-based formulas.

Transparency

Dusting Analysis

Commonly dusted
Min. effective
1%
Red flag below
0.5%

While often included in marketing claims for 'barrier repair,' Behenyl PCA requires a minimum concentration of 1% to effectively mimic ceramide function; levels below this are typically used only for formula texture modification rather than biological efficacy.

The Formula

Formulation

Solubility
Oil
Optimal pH 4 – 7
0 7 14

Stability

Highly resistant to oxidation and exceptionally stable in anhydrous systems. It is frequently utilized to improve the structural integrity and 'break point' of stick-based delivery systems.

Synergies

  • Lauryl PCA
  • Ceramides
  • Squalane
  • Fatty Acids

Conflicts

  • Strong oxidizing agents
  • Nitrosating agents

Safety

Safety Profile

CIR Status
Safe as used
Max tested
10%
Pregnancy
Safe
Sensitization risk Low

To ensure safety and prevent the formation of nitrosamines, this ingredient must not be combined with nitrosating agents in the same formulation.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

An exceptional biomimetic emollient that offers targeted barrier support and a refined skin feel, making it an ideal choice for high-precision moisturizing formulas.

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