The AJ Cosmo Labs iOS app is a B2B marketplace purpose-built for this. Post a formulation brief describing your LED-adjacent product concept, set your budget and timeline, and receive responses from vetted cosmetic chemists — typically within a few business days. The app also supports in-app messaging, milestone-based escrowed payments, and sample tracking so the entire project stays organized in one place.
Read the full guide on Dr. Dennis Gross DRx SpectraLite FaceWare Pro →