Daily Chemical
Cosmetic grade sodium hyaluronate
As a recognized moisturizing factor, sodium hyaluronate can be widely used in skin care products, cosmetics, cleaning products and hair care products. It has the advantages of safety, stability, high purity, no impurities, etc.
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Cosmetic grade sodium hyaluronate |
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Types of |
Molecular weight range |
effect |
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High molecular weight sodium hyaluronate |
180kDa-200kDa |
Excellent moisturizing and lubricating sunscreen repair effect |
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200kDa-220kDa |
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220kDa-250kDa |
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Medium molecular weight sodium hyaluronate |
80kDa-100kDa |
Good moisture retention, slow release and stable emulsification |
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120kDa-150kDa |
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Low molecular weight sodium hyaluronate |
20kDa-40kDa |
Long lasting moisture |
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Oligomeric sodium hyaluronate |
≤10 kDa |
Deep absorption, nourish the skin |
Cosmetic grade sodium hyaluronate testing standard
| Test items |
Testing standard |
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Exterior |
White powder |
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PH |
6.0-8.0 |
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transparency |
≥99.0% |
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Loss on drying |
≤8.0% |
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Bulk density |
Measured value |
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Molecular weight |
Measured value |
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Endotoxin |
＜0.5EU/mg |
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protein |
≤0.1% |
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Residue on ignition |
≤13% |
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Heavy metal |
≤20ppm |
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Kun |
≤20ppm |
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Glucuronic acid |
≥44.0% |
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HA |
≥97.0% |
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Total number of bacteria |
≤100cfu/g |
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Molds and yeasts |
＜10cfu/g |
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Escherichia coli |
Not check out |
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Golden yellow grape chrysanthemum |
Not check out |
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沙门氏菌 |
Not check out |
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