October 2025 in “Journal of Ethnopharmacology” Andrographolide from Andrographis paniculata promotes hair growth and could be a natural treatment for hair loss.
July 2025 in “Journal of Investigative Dermatology” BrdU speeds up hair follicle aging and reduces hair quality.
November 2024 in “Journal of Investigative Dermatology” Stimulating OR10J1 can promote hair growth and may help treat hair loss.
July 2024 in “Journal of Investigative Dermatology” Ashwagandha nanoparticles help hair grow by increasing a growth factor.
The human scalp has different types of pigment cells in hair follicles with varying abilities to produce pigment.
April 2023 in “Journal of Investigative Dermatology” Blocking casein kinase 1 in skin cells can help melanocyte precursors move better, potentially helping with conditions like vitiligo or gray hair.
January 2019 in “Proceedings for Annual Meeting of The Japanese Pharmacological Society” Nε-(carboxymethyl) lysine delays hair growth by blocking a key protein.
January 2014 in “Italian journal of anatomy and embryology” Platelet Rich Plasma can help human hair grow in a lab setting.
Biotin boosts wool growth and follicle health in sheep.
March 2005 in “Journal of the American Academy of Dermatology” Adding amino acids to damaged hair can improve its strength and appearance.