2.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.
3.Function:
*Salicylic acid can firmithe skin:
Because salicylic acid is fat -soluble, it is stable, and the degree of stimulation is good, skin pores can be cleaned by fusion with lipids. This can not only prevent skin damage, but also have a good improvement of the skin, which can help the skin remove acne and shrink pores. At the same time, salicylic acid can not only adjust the metabolism of skin plant oil, but also allows the keratin stratum corneum for long -term deposits of skin pores to quickly dissolve and discharge.
* Salicylic acid has good function of Acne and Anti -inflammatory:
Salmonic acid can remove keratin, promote skin metabolism, shrink pores, remove blackheads, effectively dilute fine lines and wrinkles, and reproduce skin gloss.
*Salicylic acid can prevent the appearance of pimples:
Salicylic acid has a good cleaning effect on the hair follicles of human skin. It can also clean up abnormal components in epidermal cells. It can kill epidermal bacteria. It is effective for acne caused by hair follicle disease and bacterial infection. It has a good therapeutic effect on the symptoms of blackheads.
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. |