4-Butylresorcinol. ActiBiso™ 4BR by Bisor is a highly effective skin whitening and brightening agent. It exhibits excellent inhibitory effect on tyrosinase activity and synergistic effect in the whitening activity. Prior to melanin synthesis, it interferes with tyrosinase synthesis and glycosylation, preventing the enzyme from being absorbed by melanosomes. After melanin synthesis, it improves tyrosinase degradation, inhibits the transfer of melanosomes to keratinocytes, and has the effect of light stripping due to the action of fatty acids. ActiBiso™ 4BR has a shelf life of 2 years.
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ActiBiso™ 4BR properties
Other properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| 2,4-Dihydroxybutyrophenone Content | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Assay | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Ethyl Acetate Content | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Hexane Content | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Loss on Drying | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Melting Point | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Methanol Content | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Other Impurities Content | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Resorcinol Content | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Total Impurities Content | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Total Plate Count | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Yeast/Mold/Fungi Count | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Solubility Properties | Element | Condition | Method |
|---|---|---|---|
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| Slightly soluble in | Visible After Login |