February 2026 in “The Animal Biology” Hirudo verbana extract improves hair growth and wound healing in rats.
April 2020 in “Journal of the Endocrine Society” An 87-year-old man showed unusual signs of Hodgkin lymphoma, primarily high calcium levels, which improved after treatment and revealed the disease.
March 2011 in “Focus on surfactants” Several companies launched new hair care ingredients in 2011 to improve conditioning, color retention, combability, and heat protection.