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SODIUM ALLANTOIN PCA.

Valuable / SKIN CONDITIONING

SODIUM ALLANTOIN PCA is a precision-engineered complex that synergistically combines Sodium PCA, a powerful humectant and skin-identical ingredient, with Allantoin, known for its soothing and regenerative properties. This dual-action ingredient is vital for optimizing skin hydration, strengthening the natural barrier, and fostering cellular renewal for a visibly smoother, calmer complexion.

Summary

humectant skin-identical ingredient soothing skin conditioning

Science

Mechanism of Action

SODIUM ALLANTOIN PCA functions through the combined actions of its two key components. Sodium PCA, a crucial part of the skin's natural moisturizing factor (NMF), acts as a potent humectant, efficiently attracting and binding water molecules from the environment to prevent dehydration and maintain optimal hydration levels within the stratum corneum. This supports robust cellular function, improves skin elasticity, and enhances the skin's protective barrier. Simultaneously, Allantoin contributes significant skin soothing and caring effects, accelerating the natural processes of cell formation and regeneration. This combined action helps to maintain the skin's natural moisture balance, resulting in a notably smoother and softer skin texture.

Research

Clinical Evidence

Medium confidence
Effective range 0.5–2%
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Water
Optimal pH 4.5 – 7
0 7 14

Stability

Optimal stability and humectancy for Sodium PCA are observed within a pH range of 4.5–7, with pH 5–6 being ideal. Allantoin itself demonstrates stability from pH 3-8 and tolerates temperatures up to 80°C with prolonged exposure. For optimal formulation, SODIUM ALLANTOIN PCA should be integrated during the cool-down phase, specifically below 40–45°C. It is also important to note that Allantoin can recrystallize if concentrations exceed 0.5% in a formulation.

Conflicts

  • nitrosating agents

Safety

Safety Profile

CIR Status
Safe as used
Max tested
2%
Pregnancy
Safe
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel has deemed Sodium PCA and Allantoin, including related complexes, safe for cosmetic use. A critical restriction is to avoid formulating products containing SODIUM ALLANTOIN PCA with nitrosating agents, due to the potential for nitrosamine formation. Sodium PCA typically exhibits minimal irritation at concentrations between 0.5% and 2.5%, with rare transient erythema noted at higher levels (≥6–12%) in some individuals, though studies indicate no significant irritation up to approximately 30%. Allantoin is widely recognized as non-irritant and highly compatible with skin. No known restrictions exist for Sodium PCA during pregnancy or nursing.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

SODIUM ALLANTOIN PCA is a valuable, multifunctional ingredient that profoundly hydrates, soothes, and helps regenerate the skin, making it highly beneficial for maintaining overall skin health and barrier integrity across all skin types.

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