4.Used as a white pigment, the hiding power is second only to titanium dioxide, but stronger than zinc oxide. The hiding power increases as the ZnS content increases, and the light resistance also improves, but the acid resistance decreases.

Food additive nanoparticles could negatively affect your gut health, by Jillian McCarthy, Binghamton University, May 4, 2023

Decreased Vitamin D bioaccessibility