Hydroxypinacolone Retinoate is a derivative of retinoic acid. It is actually retinoic acid + pinacol.
This is a very popular ingredient. It not only has a small molecular weight, is easily absorbed through the skin, has low irritation to the skin, but also has a direct effect. It has obvious advantages over other types of retinoids.
The characteristic of its working mechanism is that it does not need to be converted into retinoic acid in the body, but directly binds to the relevant receptors to exert its effect.
| ITEM | STANDARD | TEST RESULT |
| Assay | ≥98.0% | 99.54% by HPLC |
| Appearance | Yellow powder | Complies |
| Odor | Characteristics | Complies |
| Uv-vis Absorption | Consistent with the reference | 1.0% |
| Partical Size | 95% pass 80 mesh | Complies |
| Loss on Drying | ≤0.4% | 0.18% |
| Ash | ≤0.3% | <0.06% |
| Total Heavy Metals | ≤10.0ppm | <10.0ppm |
| Conclusion | Conform with specification | |
| Storage | Store in cool and dry places. Keep away from strong light and heat. |
HPR has the advantages of both retinoic acid and retinoic acid ester.
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