Sodium l pyroglutamate
Description: Sodium PCA is the sodium salt of pyroglutamic acid which is an uncommon amino acid found naturally in many proteins. Concentration: 50% (dissolved in water). GMO-free, gluten-free. Colorless to pale yellow clear liquid, soluble in water, pH 6.8-7.4.
CAS: 28874-51-3
INCI Name: Sodium PCA (sodium L-pyroglutamate)
Benefits:

• Occurs naturally in human skin and is responsible for binding moisture to the cells
• Highly water-absorbent, holding several time its weight in water, which makes it an excellent humectant
• Well-know as skin-penetration enhancer
• Stronger hydrating agent than the traditional compounds like glycerin or propylene glycol
• Good for hair care as it reduces static electricity.

Use: Add as is to the water phase of the formulas, typical use level 1 - 10% in emulsions. For external use only.
Applications: All kinds of skin care products such as creams, gels, lotions, hair care products, color cosmetics.
Country of Origin: USA
Raw material source: The original amino acid proline is obtained mainly from fruits and coconut oil. 
Manufacture: A fermentation process of sugars and starches is then used in order to create PCA from proline.