2 citations
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April 2012 in “Science-business Exchange” Blocking a protein called prostaglandin D2 might help treat hair loss.
April 2026 in “International Journal of Drug Delivery Technology” This review concluded that while topical prostaglandin analogues show some potential in treating androgenetic alopecia, evidence is still limited and no products have regulatory approval.
68 citations
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November 2012 in “Journal of Investigative Dermatology” This study found that PGD2 inhibits hair follicle regeneration in mice through the Gpr44 receptor, suggesting that blocking PGD2 or Gpr44 may enhance skin regeneration after wounds.
October 2023 in “Scientific reports” In this study, researchers found that the synthetic stress hormone dexamethasone caused opposite effects on hair growth-related proteins, reducing SFRP2 and increasing SFRP3, which respectively stimulate and inhibit hair follicle cell proliferation in human dermal papilla cells.
205 citations
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March 2012 in “Science Translational Medicine” PGD2 stops hair growth and is higher in bald men with AGA.