42 citations,
January 1998 in “BioDrugs” Azathioprine's effectiveness and safety require careful monitoring and more research, especially regarding its use with corticosteroids and the role of TPMT status in patients.
23 citations,
January 2001 in “International journal of toxicology” St. John's Wort extract and oil safety in cosmetics is unclear; more data needed on photosensitization, toxicity, and human irritation.
3 citations,
March 2017 in “Regulatory toxicology and pharmacology” Aleglitazar and its major metabolite are safe enough to proceed to Phase 3 clinical trials.
10 citations,
January 2010 in “International Journal of Trichology” Synthetic hair fibers for hair restoration were controversial in 2009 due to health risks and lack of support from the International Society of Hair Restoration.
79 citations,
January 1975 in “Food and Cosmetics Toxicology” The hair dye formulations tested did not cause long-term toxicity or cancer in mice.