May 2022 in “Experimental dermatology” Trichothiodystrophy hair is structurally abnormal with protein and organization issues.
April 2018 in “Journal of Investigative Dermatology” Researchers found a substance in chicken egg yolk that helps hair grow.
223 citations,
September 2018 in “Rheumatology” JAK inhibitors are effective in treating various immune-related diseases, not just rheumatoid arthritis.
August 2023 in “Medical Hypotheses” Metformin, usually used for diabetes, can also help treat hair loss from alopecia areata due to its ability to reduce inflammation and stimulate new hair growth.
53 citations,
May 2010 in “Journal of Cellular Physiology” Mice without Vitamin D receptors have hair growth problems because of issues in the hedgehog signaling pathway.