November 2024 in “Journal of Investigative Dermatology” Ursolic and shikimic acid together boost hair growth better than alone.
30 citations
,
July 2023 in “Clinical Chemistry and Laboratory Medicine (CCLM)” Cortisone in hair is a more reliable indicator of stress hormone exposure than cortisol.
4 citations
,
May 2022 in “Future Journal of Pharmaceutical Sciences” Melatonin-loaded microemulsion could be a promising treatment for hair loss.
4 citations
,
May 2022 in “PeerJ” Melatonin may help hair growth by affecting cell growth and hair-related signaling pathways.
July 2025 in “Scientific Reports” Serotonin helps hair grow by activating certain cells.
March 2025 in “International Journal of Molecular Sciences” Melatonin promotes hair growth and quality by enhancing hair follicle development and reducing stress.
July 2024 in “Clinical Cosmetic and Investigational Dermatology” Non-drug therapies show promise for hair regrowth but need more research.
June 2024 in “International Journal of Nanomedicine” CRISPR/Cas9 has improved precision and control but still faces clinical challenges.
July 2023 in “Frontiers in Veterinary Science” Melatonin helps hair grow by activating the RORα receptor in goats.
176 citations
,
January 2013 in “Proceedings of the National Academy of Sciences” BMP and Wnt signaling balance controls hair follicle stem cell activity and hair growth.
160 citations
,
April 2014 in “Drug discovery today” Melatonin helps regulate sleep and may aid in treating various health issues.
50 citations
,
November 2020 in “Physiology & behavior” People with depression often have higher hair cortisol levels, while those with PTSD tend to have lower levels, but more research is needed to understand this fully.
21 citations
,
February 2019 in “Experimental Dermatology” Different fields of expertise must work together to better understand hair growth and create effective hair loss treatments.
18 citations
,
March 2023 in “Molecular Therapy — Nucleic Acids” Mechanical stimuli and CCL2 can help regenerate hair follicles in adult mice.
10 citations
,
September 2019 in “Frontiers in Veterinary Science” Older steers have higher hair cortisol levels than younger steers.
9 citations
,
September 2019 in “Journal of clinical sleep medicine” Vitamin B12 deficiency can rarely cause excessive daytime sleepiness.
3 citations
,
January 2020
May 2025 in “Frontiers in Pharmacology” Targeting gut microbiome and metabolome may help treat autoimmune skin diseases like alopecia areata.
Intermittent fasting slows hair growth by damaging hair follicle cells.
May 2024 in “Journal of Advanced Research” Communication between blood vessel and hair follicle cells decreases with age, affecting hair growth and blood vessel formation.
April 2024 in “Communications biology” Enzymes involved in Vitamin A metabolism affect hair growth and type in mice.
May 2018 in “International journal of cell science & molecular biology” Early anti-aging hair treatments should focus on anti-inflammatory agents and promoting healthy hair growth cycles.
New treatments for hair loss should target eight main causes and use specific plant compounds and peptides for better results.
170 citations
,
January 2010 in “animal” Hair follicle growth and fiber production in animals are influenced by chemical signals, proteins, pigmentation, genetics, and nutrients.
122 citations
,
October 2010 in “Clinica Chimica Acta” Washing hair with water or shampoo lowers cortisol levels in hair.
81 citations
,
May 2019 in “Frontiers in Endocrinology” Melatonin may improve some hormonal and inflammatory issues in women with PCOS.
69 citations
,
May 2016 in “General and Comparative Endocrinology” External factors can significantly affect hair cortisol levels, so it's not always a reliable stress marker.
44 citations
,
October 2019 in “International Journal of Molecular Sciences” Melatonin, usually known for sleep regulation, also has antioxidant properties that can protect skin, stimulate hair growth, and improve skin conditions, with topical application being more effective than oral use.
36 citations
,
October 2021 in “Frontiers in Endocrinology” Insulin resistance and high male hormone levels are major causes of Polycystic Ovary Syndrome.