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research Contrast enhanced phototrichogram (CE-PTG): an improved non-invasive technique for measurement of scalp hair dynamics in androgenetic alopecia–validation study with histology after transverse sectioning of scalp biopsies.

12 citations , August 2001 in “PubMed”

CE-PTG is a better method for analyzing hair growth in androgenetic alopecia.

Prostaglandin D2, Prostaglandin D2 Receptor, Prostaglandin D2 Synthase

research Prostaglandin D2(PGD2); prostaglandin D2 receptor (CRTH2; GPR44; CD294); prostaglandin D2 synthase (PTGDS)

2 citations , April 2012 in “Science-business Exchange”

Blocking a protein called prostaglandin D2 might help treat hair loss.

Associations Between Variants in the Cyclooxygenase 2 Enzyme Gene (PTGS2) and Development of Benign Prostate Enlargement

research Re: Associations Between Variants in the Cyclooxygenase 2 Enzyme Gene (PTGS2) and Development of Benign Prostate Enlargement

November 2012 in “The Journal of Urology”

Certain gene variants may raise the risk of prostate enlargement, but taking NSAIDs could reduce this risk.

research Bletilla striata polysaccharide (BSP) promotes hair growth and suppresses oxidative stress and senescence of dermal papilla cells by inhibiting prostaglandin-endoperoxide synthase 2 (PTGS2)

January 2026 in “International Journal of Biological Macromolecules”

Prostaglandin D2 Inhibits Hair Growth and Is Elevated in Bald Scalp of Men with Androgenetic Alopecia

research Prostaglandin D ₂ Inhibits Hair Growth and Is Elevated in Bald Scalp of Men with Androgenetic Alopecia

205 citations , March 2012 in “Science Translational Medicine”

PGD2 stops hair growth and is higher in bald men with AGA.

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