October 2022 in “The Korean Journal of Physiology and Pharmacology” Targeting the PGD2-DP2 pathway may help treat hair loss.
Caffeine can potentially treat common hair loss by counteracting hair follicle shrinkage caused by hormones.
June 2001 in “International Journal of Cosmetic Surgery and Aesthetic Dermatology” Finasteride improves hair growth in men with androgenetic alopecia.
102 citations
,
July 2007 in “Genes & Development” A mother's PPARγ is crucial for preventing harmful milk that can cause inflammation and growth problems in babies.
2 citations
,
May 2022 in “Diagnostics” Vitamin D levels in hair don't match those in blood, so hair isn't a reliable indicator of Vitamin D status.
1 citations
,
January 2023 in “Science Advances” The skin's microbiome helps hair regrow by boosting certain cell signals and metabolism.
November 2024 in “Frontiers in Endocrinology” Hair analysis can help diagnose adrenal disorders non-invasively.
February 2023 in “Molecules” Cactus extract from Notocactus ottonis may help promote hair growth.
41 citations
,
July 2001 in “PubMed” Estrogens can reduce DHT production in hair follicles, but are less effective than finasteride and progesterone.
14 citations
,
October 2018 in “PloS one” Deleting the Far2 gene in mice causes sebaceous gland issues and patchy hair loss.
7 citations
,
June 2021 in “Trends in Food Science and Technology” Western diet may cause male pattern baldness; low glycemic diet with magnesium could help.
August 2025 in “Frontiers in Pharmacology” Periplaneta americana extract helps hair regrowth by reducing inflammation and improving skin bacteria balance.
August 2025 in “International Journal of Molecular Sciences” Broccoli sprout extract may help regrow hair by improving hormone metabolism.
January 2025 in “Scientific Reports” Hair analysis can show changes in vitamin D levels over time.
November 2013 in “Journal of clinical & experimental dermatology research” The follicular unit extraction method for hair transplants is a technique with benefits and drawbacks.
December 2025 in “Rapid Communications in Mass Spectrometry” Pepsin digestion improves accuracy in analyzing proteins in human hair.
237 citations
,
September 2018 in “Clinical Biochemistry” Hair cortisol analysis can help diagnose stress-related conditions but needs more refinement for widespread use.
199 citations
,
July 2007 in “General and Comparative Endocrinology” Hair cortisol can reliably indicate chronic stress in cats and dogs.
56 citations
,
January 1996 in “Journal of Forensic Sciences” Dye enters hair at the edges of cuticle cells and penetrates more from water than alcohol-based solutions.
19 citations
,
December 2023 in “Journal of Investigative Dermatology” Scalp hair follicle microbes affect hair health and could be used for treatments.
1308 citations
,
March 1998 in “Journal of bone and mineral research” The vitamin D receptor is crucial for bone health and affects various body systems, with mutations potentially leading to disease.
263 citations
,
February 2013 in “Wiley interdisciplinary reviews. Nanomedicine and nanobiotechnology” Polymeric nanoparticles show promise for treating skin diseases.
189 citations
,
January 2014 in “Journal of Visualized Experiments” Hair cortisol analysis effectively measures long-term stress.
153 citations
,
October 2012 in “Skin Pharmacology and Physiology” Caffeine in cosmetics may reduce cellulite, protect skin, and stimulate hair growth, but more research is needed on its use and effects.
114 citations
,
February 2012 in “International Journal of Dermatology” Smoking harms the skin, causing early aging and increasing cancer risk, but stopping smoking can improve skin health.
108 citations
,
November 1980 in “British Journal of Dermatology” Oral retinoids are effective for various skin conditions but have side effects and should not be used during pregnancy.
100 citations
,
April 2010 in “Expert Opinion on Pharmacotherapy” Hair loss in men treated best with early medication or transplant, new treatments researched.
93 citations
,
January 1996 in “Clinical Pharmacokinectics” Finasteride helps regrow hair and shrink prostate by reducing DHT, with some sexual side effects.
88 citations
,
December 2018 in “Advanced Healthcare Materials” Layer-by-Layer self-assembly is promising for biomedical uses like tissue engineering and cell therapy, but challenges remain in material safety and process optimization.
77 citations
,
June 2006 in “Best Practice & Research Clinical Endocrinology & Metabolism” The document concludes that accurate measurement of serum androgens is crucial for diagnosing hyperandrogenism.