Description
Sodium PCA Liquid is a highly effective humectant cosmetic raw material widely used in modern cosmetic formulation for long-lasting hydration support. As the sodium salt of pyrrolidone carboxylic acid, it is a key component of the skin’s Natural Moisturizing Factor (NMF), making it a physiologically compatible skincare ingredient.
INCI Name: Sodium PCA
CAS Number: 28874-51-3
Chemical Classification: Sodium salt of pyrrolidone carboxylic acid (humectant; amino acid derivative)
Physical Form: Clear to slightly yellow aqueous liquid (typically 50% solution)
Origin: Synthetic or biotech-derived from glutamic acid
Solubility: Fully water-soluble
Typical Usage Level: 0.2–5.0%
pH Stability Range: 4.0–8.0
Storage Conditions: Store tightly closed, protected from extreme temperatures; avoid contamination; recommended 5–25°C
Supplied as cosmetic grade material, Sodium PCA Liquid is intended strictly for professional use in topical personal care applications.
Key Benefits in Cosmetic Formulation
Sodium PCA is extensively documented in cosmetic science references and supplier technical data sheets as a high-performance humectant.
Attracts and retains moisture in the stratum corneum
Enhances skin softness and flexibility
Reduces visible dryness and roughness
Improves overall hydration profile of formulations
Compatible with a wide range of active systems
Mechanism of Action (Cosmetic Level):
As part of the Natural Moisturizing Factor, Sodium PCA binds atmospheric water and helps maintain optimal moisture balance in the outer skin layers, improving the appearance of smoothness and suppleness without altering skin physiology.
How to Use in Cosmetic Formulation
Recommended usage level of Sodium PCA Liquid
Serums: 1–3%
Creams & lotions: 0.5–3%
Toners: 0.2–2%
Hair care products: 0.5–2%
How to use Sodium PCA Liquid in skincare
Add directly to the water phase.
Incorporate at room temperature or during cool-down phase.
Maintain final formulation pH between 4.5–7.0.
Compatible with most emulsifiers, surfactants, and active systems.
Sodium PCA Liquid in cosmetic formulation performs exceptionally well in hydrating serums, lightweight emulsions, and leave-on treatments.
Applications
Moisturizing creams and lotions
Hydrating serums
Facial toners
After-sun products
Hair conditioners and styling products
Ideal for manufacturers seeking to buy Sodium PCA Liquid cosmetic grade bulk from a reliable bulk supplier serving OEM, ODM, and R&D laboratories.
Technical Specifications
Appearance: Clear to pale yellow liquid
Odor: Characteristic mild
Solubility: Fully water-soluble
Active content: Typically 50%
Stability: Stable under recommended storage conditions
Compliance: Cosmetic grade, topical use only
Why Choose Us as Your Bulk Cosmetic Raw Material Supplier
As a trusted bulk supplier of cosmetic raw materials, we provide:
Verified cosmetic grade quality
COA, TDS, MSDS documentation
Consistent batch quality
Regulatory support
Technical guidance for professional use cosmetic formulation
Our expertise ensures this personal care ingredient integrates seamlessly into scalable skincare systems.
Shipping Information
Free shipping worldwide. Shipping remains free permanently. Delivery time: 10–15 business days.
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