Research Article
Quantification of Mineral Oil Aromatic Hydrocarbons (MOAH) in Anhydrous Cosmetics Using 1H NMR
Table 4
Creation of the validation series samples.
| Matrix | Spiking procedure |
| Lip balm | Adding and melting in a water bath at 60°C. | Lip gloss | Adding and melting in a water bath at 60°C. | Intensive colored lipstick | 1. Weigh lipstick, melt, and cool | 2. Weigh vaseline and adding to the lipstick | 3. Melting together in a water bath at 70°C. |
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