1.Product Description of Salicylic Acid Powder:
Salicylic Acid Powder is a keratin soft agent with antibacterial effects. It has inhibitory effects on Mobilin, Candida, Roset, Staphylococcus aureus, E. coli, and Copper Green Monococcus. At a low concentration of less than 3%, it has a promotion effect on the stratum corneum. When salicylic acid concentration is as high as 5%, as the concentration of salicylic acid increases, it has the effects of stratum corneum dissolution, stratum corneum peeling and corrosion.
2. The Function of Salicylic Acid Powder:
*Clean:
Deep cleansing, dredging pores, dissolving oil, adjusting the balance of water and oil, and reducing the closed mouth acne and blackheads.
*Acne:
Removing the role of horny can play the effect of controlling acne and removing acne, and improving skin oil secretion generally has a certain effect.
*Improve skin sensitivity:
Salmonic acid will also have a certain auxiliary effect on the treatment of skin sensitivity or fat, but it can not be used frequently.
3. Action Principle:
1. Eliminate excess skin oil;
2. Clear old waste horny;
3. Deep penetration, clean and dredge;
4. Fix the pores and repair the skin;
4. COA:
Test items | Specifications | Test results |
Characters | A white, or almost white, crystalline powder or white or colourless, acicular crystals, slightly soluble in water, freely soluble in ethanol(96 percent), sparingly soluble in methylene chloride. | Complies |
Identification | Melting point 158℃ to 161℃ | 158.6℃-160.2℃ |
The IR spectrum of sample complies with Salicylic acid CRS | Complies |
Appearance of solution | Solution is clear and colourless | Clear |
Chlorides | ≤100ppm | <100ppm |
Sulfates | ≤200ppm | <200ppm |
Heavy metals | ≤20ppm | <20ppm |
Loss on drying | ≤0.5% | 0.03% |
Residue on ignition | ≤0.05% | 0.03% |
Related substances | 4-hydroxybenzoic acid | ≤0.1% | 0.001% |
4-hydroxyisophthalic acid | ≤0.05% | 0.002% |
Phenol | ≤0.02% | N.D |
Any other impurities | ≤0.05% | N.D |
Total impurities | ≤0.2% | 0.002% |
Assay(on dried basis) | Contains C7H6O3 99.0%-100.5% | 99.6% |
Conclusion | The product comply with the requirements of BP2020/EP10.0/USPNF2022. |