When it comes to cosmetics, the safety of mica powder largely depends on its sourcing and processing. Mica is generally considered safe for topical use, especially when derived from reputable suppliers who adhere to industry safety standards. However, concerns have arisen regarding the ethical implications of mica mining, which can impact its safety profile. Unregulated mining practices, often in developing countries, can lead to the inclusion of contaminants in mica powder, such as heavy metals.

3. Adding the Binder Gradually add your chosen binder to the mica powder. Start with a small amount, like one teaspoon, and blend it in with your mixing tool. The consistency you want depends on the type of project you’re working on—thicker for impasto techniques and thinner for washes.