Item | Standard | Applications | ||||||
Appearance | White Powder | Lubricating and film-forming, moisturizing, preventing skin damage, thickening and keeping emulsion stable; Nourishing the skin, long-lasting moisturizing; Trans-dermal absorption, deep hydrating, anti-ageing, repairing skin damage. | ||||||
Glucuronic Acid | ≥45.0% | |||||||
Sodium Hyaluronate | ≥95.0% | |||||||
Molecular Weight | Oligo <10,000 Da | Low 10,000 Da-0.2*106 Da | Medium (0.2~1.6)*106 Da | High ≥1.6*106 Da | ||||
pH | 5.0~8.5 | |||||||
Protein | ≤0.1% | |||||||
Loss on Drying | ≤10.0% | |||||||
Heavy metals | ≤20ppm | |||||||
Bacteria Count | <100cfu/g | |||||||
Molds & Yeast | <50cfu/g | |||||||
Staphylococcus aureus | Negative | |||||||
Salmonella | Negative | |||||||
Pseudomonas Aeruginosa | Negative |