- Develop a 12-shade flexible system across light, medium, tan, and deep skin tones.
- Use a low-viscosity pigment-dispersion system suitable for shake-before-use packaging.
- Match cap colors to shade families while keeping one universal matte-white bottle body.
- Target a sheer, buildable, non-cakey finish with low streaking and controlled transfer.
- Confirm SPF/PA or broad-spectrum performance only through testing in each target market.
- Required validation: pigment stability, shade oxidation, UV-filter dispersion, package compatibility, viscosity drift, freeze-thaw, accelerated stability, microbiological safety, wear and transfer testing.