| Customization: | Available |
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| Powder: | Yes |
| Customized: | Customized |
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Neopeptide-1, also known as meliteptide, is a whitening neopeptide containing nine amino acids, mainly used for brightening skin and removing freckles.
Neopeptide-1 is a biomimetic peptide that is a good match for the MC1 receptor on melanocytes and thus acts as an antagonist to melanocytotropic hormone, competitively binding to the MC1 receptor and preventing further activation of tyrosinase to produce melanin.
Neopeptide-1 competitively blocks the receptors on melanoblasts and the entrance of various factor signals, weakens the activity of melanoblasts and reduces the amount of melanin production. Chemicalbook begins to gradually even the skin tone at 14 days. After 28 days of a skin cycle, it obviously brightens the skin tone and presents the skin as red and white, so neopeptide-1 is often used as a cosmetic raw material.
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ANALYSIS
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SPECIFICATION
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RESULTS
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Appearance
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White powder
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Complies
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Odor
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Characteristic
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Complies
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Tasted
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Characteristic
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Complies
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Assay
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98%
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Complies
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Sieve Analysis
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100% pass 80 mesh
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Complies
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Loss on Drying
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5% Max.
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1.02%
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Sulphated Ash
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5% Max.
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1.3%
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Extract Solvent
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Ethanol & Water
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Complies
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Heavy Metal
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5ppm Max
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Complies
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As
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2ppm Max
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Complies
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Residual Solvents
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0.05% Max.
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Negative
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Microbiology
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Total Plate Count
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1000/g Max
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Complies
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Yeast & Mold
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100/g Max
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Complies
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E.Coli
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Negative
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Complies
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Salmonella
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Negative
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Complies
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