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.