47 citations,
June 2015 in “Contact Dermatitis” A standardized patch test for hair cosmetics is needed in Europe to prevent allergies, especially for hairdressers.
16 citations,
October 2009 in “Xenobiotica” The tested hair dye ingredients do not form harmful oxidized metabolites in the liver.
January 1993 in “Side effects of drugs annual” Natural products like propolis are causing more skin allergies, and certain skin treatments and medications have various side effects and risks.
79 citations,
January 1975 in “Food and Cosmetics Toxicology” The hair dye formulations tested did not cause long-term toxicity or cancer in mice.
26 citations,
June 2010 in “Acta Pharmaceutica” Methods accurately measure tamsulosin hydrochloride and finasteride in combined dosages.