86 citations
,
  August 2000   in “Pigment cell research”    Melanocyte activity in hair follicles is linked to the hair growth cycle, being active in growth phases and inactive in rest phases.  
               January 2013   in “วารสารเภสัชศาสตร์อีสาน  (Isan  Journal of Pharmaceutical Sciences, IJPS)”    Safflower extract increases melanin production in certain skin cells without harming them.  
      May 2021   in “International journal of developmental research”
           May 2021   in “International journal of developmental research”    Estrogens and progesterone are key in regulating melasma pigmentation.  
      6 citations
,
  September 2022   in “Frontiers in pharmacology”
           6 citations
,
  September 2022   in “Frontiers in pharmacology”    Epimedium extract helps increase skin pigmentation and could be a new treatment for conditions with reduced pigmentation.  
      9 citations
,
  November 2022   in “Applied sciences”
           9 citations
,
  November 2022   in “Applied sciences”    Marine algae compounds may improve skin health and promote hair growth.