Customization: | Available |
---|---|
Supply Type: | OBM(Original Brand Manufacturing) |
Usage Mode: | For external use |
Still deciding? Get samples of US$ 10/Piece
Request Sample
|
Suppliers with verified business licenses
Audited by an independent third-party inspection agency
1) Moisturizing effect and Nutritional ingredient
2) Thickening, Lubricating and membrance-forming
3) Sun-screening and restoration of skin trauma
1) In medical field:
Specification: (Pharma grade for Eyedrop grade)
Items |
Standards |
Description |
White or almost white, very hygroscopic powder Or a fibrous aggregate |
Sodium hyaluronate |
95-105% |
PH |
5.0~8.5 |
Nucleic acids |
A260nm ≤0.5 |
Protein |
≤0.1% |
Appearance of solution |
A600nm ≤0.5 |
Intrinsic viscosity |
2.0-3.0m3/kg |
Loss on drying |
≤20% |
Chlorides |
≤0.5% |
Iron |
≤80ppm |
Microbial contamination |
≤100/g |
Bacterial endotoxins |
< 0.5IU/mg |
2) In cosmetic field:
Specification: (Cosmetic grade)
Items |
Standards |
Appearance |
White powder |
Transparency (0.1%solution) % ≥ |
98 |
D-glucuronic acid % ≥ |
44 |
Molecular weight |
< 0.1x10 6 Da , 0. 5 ~ 0. 7 x10 6 Da , 0. 7 ~ 0. 9 x10 6 Da , 0. 9 ~ 1.1 x10 6 Da , 1.1 ~ 1.3 x10 6 Da , 1.3 ~ 1.5 x10 6 Da , 1.5 ~ 2.0 x10 6 Da , > 2.0 x10 6Da |
PH(0.1% solution) |
5.5~7.5 |
Protein % ≤ |
0.1 |
Heavy metal g/g ≤ |
2x10 -5 |
Loss on drying % ≤ |
10 |
Total aerobic plate count CFU/g ≤ |
100 |
Pyocyanine |
Absent |
mould |
Absent |