High Safety
The powder must comply with relevant regulations; it should be non-irritating to the skin and mucous membranes, free from harmful heavy metals (such as lead and mercury), and devoid of microbial contamination or toxicity/irritation caused by microorganisms.
Good Stability
It does not undergo quality deterioration-such as discoloration, spoilage, odor changes, deformation, or separation-when exposed to light, heat, oils, or fragrances.
Good Mixability and Dispersibility
It mixes well with binders and other powders, does not form clumps, and spreads and disperses easily on the skin surface.
Pleasant Sensory Experience
It feels soft and smooth during application, without any sensation of foreign matter.