Overview
Sodium PCA (Sodium Pyrrolidone Carboxylate) is a sodium salt of pyroglutamic acid, a naturally occurring component in human skin. It is renowned for its exceptional moisturizing properties, making it a staple in skincare and haircare formulations. The compound is synthetically produced for industrial use, ensuring consistent quality and purity. Its ability to attract and retain moisture makes it a preferred ingredient in products designed to combat dryness and improve skin elasticity.
Physical and Chemical Properties
Sodium PCA is a white crystalline powder or a colorless liquid, depending on its concentration. It is highly soluble in water and slightly soluble in ethanol, making it versatile for various formulations. Its molecular weight is 151.10 g/mol, and it exhibits excellent hygroscopicity. The compound is stable under normal storage conditions but may degrade if exposed to extreme temperatures or prolonged sunlight. Its non-irritating and biocompatible nature makes it suitable for sensitive skin applications.
Main Applications
Sodium PCA is widely used in the cosmetics industry as a humectant in moisturizers, lotions, and serums. Its ability to bind water molecules helps maintain skin hydration, reducing the appearance of fine lines and wrinkles. In pharmaceuticals, it is used in topical formulations to enhance drug delivery and improve skin barrier function. Additionally, it is found in shampoos and conditioners to prevent hair dryness and frizz.
Safety and Storage
Sodium PCA is generally recognized as safe (GRAS) for use in cosmetics and personal care products. However, it is advisable to avoid inhalation and direct contact with eyes to prevent irritation. Proper storage involves keeping the compound in a cool, dry place away from direct sunlight. Containers should be tightly sealed to prevent moisture absorption and contamination.
B2B Procurement Guide
When procuring Sodium PCA, B2B buyers should prioritize suppliers who provide a Certificate of Analysis (COA) to verify purity and quality. Compliance with international standards such as ISO and GMP is also crucial. Bulk purchases typically offer cost advantages, with prices ranging from $20 to $50 per kg. Buyers should also consider the supplier's reputation, delivery timelines, and customer support services.
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