December 2022 in “Cosmetics” The food supplement improved hair growth and strength in people with a certain type of hair loss and had no major side effects.
6 citations,
June 2021 in “Journal of health psychology” The article suggests that the view of male baldness as a medical issue is influenced by commercial bias and calls for more unbiased research.
3 citations,
June 2011 in “EFSA Journal” Spermidine's effect on hair growth is not proven.
July 2024 in “Skin Research and Technology” The products significantly promote hair growth and maintain hair bulb health.
45 citations,
May 2012 in “The Journal of Steroid Biochemistry and Molecular Biology” Too much AKR1C3 enzyme causes resistance to finasteride by increasing testosterone.