melanotic macule sur la bouche macules of the tongue in a newborn Pigmented Oral Lesions: Clues to
Description
Nature Geoscience, 3 , 858

This could be achieved by releasing the free CHOL receptor from complexes with other lipids by hydrolysis of lipid head groups, as shown for Cp PC-PLC 41

sometimes I'll put it over a lip liner for a more defined look, or just wear it alone for a casual, fresh vibe

That is highly unlikely to occur. But one thing does make it more likely to happen sunlight