January 2020 in “Indian Journal of Pharmaceutical Sciences” This review discusses rodent models of human hair loss and highlights the potential of traditional medicinal plants as hair growth promoters, but reports no new clinical results.
October 2025 in “World Journal of Advanced Research and Reviews” This review reports that topical applications of onion-based preparations, like onion juice and oil, may support hair regrowth in patchy alopecia areata and improve scalp health through antioxidant and antimicrobial effects, although standardized formulations and clinical trials are limited.
December 2023 in “Research in pharmacy” This review underscores the importance of phytotherapeutic compounds and adjuncts in managing polycystic ovarian syndrome but does not present new clinical evidence.
November 2025 in “Current Cosmetic Science” This study reviews the potential of rosemary for hair loss treatment, highlighting its beneficial bioactive compounds that may support healthier scalps and promote hair growth, though inconsistencies in formulations and lack of long-term safety data suggest more research is needed.
July 2023 in “LA Referencia (Red Federada de Repositorios Institucionales de Publicaciones Científicas)” This study evaluated the resin oil of Copaifera officinalis L., identifying 64 compounds and developing validated analytical methods for quality control, and formulated a stable pharmaceutical foam, laying groundwork for potential clinical applications of copaiba oil.