Ask candidates directly about their experience with three-roll mills, spectrophotometry, ΔE tolerances, and surface-treated pigments. Review their portfolio for color cosmetics categories — lipstick, eyeshadow, foundation — rather than general skincare. The AJ Cosmo Labs iPhone app lets you filter the supplier network by specialty, so you can surface pigment-focused formulators without sifting through unrelated profiles.
Read the full guide on cosmetic chemist who specializes in color cosmetics pigments →