Retinoic acid is a compound with vitamin A activity. It plays an important role in cell growth, differentiation and skin health. Retinoic acid is the only prescription-grade drug ingredient approved by the US FDA for the treatment of photoaging. This raw material is commonly used in medicines and cosmetics, especially for the treatment of acne, anti-aging and skin renewal.
| Item | Specification | Result |
| Retinoic acid | ≥99% | 99.32% |
| Organoleptic Tests | ||
| Appearance | Sticky yellow powder | Conform |
| Physical Characteristics | ||
| Odor | Characteristic | Conform |
| Taste | Characteristic | Conform |
| Loss on drying | ≤3.0% | 2.24% |
| Sieve | 98% pass 80 mesh | Conform |
| Heavy Metals | ||
| Total heavy metals | ≤10 ppm | Conform |
| Lead(Pb) | ≤2 ppm | Conform |
| Arsenic(As) | ≤1 ppm | Conform |
| Mercury(Hg) | ≤1 ppm | Conform |
| Microbe Tests | ||
| Total plate count | NMT 1000 cfu/g | Conform |
| Total yeast & mold | NMT 100 cfu/g | Conform |
| E. Coli | Negative | Negative |
| Salmonella | Negative | Negative |
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