Expect 12–24 weeks from first brief to a stable, scale-ready formula. Prototype development takes 6–10 weeks, followed by 8–12 weeks of accelerated stability and safety testing. Rush timelines are possible but compress wear-trial data, which can increase risk of claims issues post-launch. Through the AJ Cosmo Labs iPhone app you can filter for chemists who offer expedited development tracks.
Read the full guide on how to find a makeup chemist for transfer proof lip color →