05/18/2026
Roselin Rosario-Meléndez is a Puerto Rican chemist and inventor who helped develop long-lasting, transfer-resistant makeup at L’Oréal.
With over 10 patents in the beauty industry, her work is used in products around the world—proving that innovation has no limits.
She represents the power of Puerto Rican talent in science, breaking barriers and inspiring the next generation of women and Latinas in STEM.