3 citations
,
December 2019 in “Biomaterials Research/Biomaterials research” Calcium and magnesium in hair increase with age and are higher in adult women.
33 citations
,
November 2007 in “JAT. Journal of applied toxicology/Journal of applied toxicology” Human scalp hair on mice can effectively monitor mercury exposure.
November 2024 in “International Journal of Social health” Virgin Coconut Oil with 4% red chili oil boosts hair growth.
Low doses of certain Chinese herbs can promote hair growth, while high doses may inhibit it.
Applying thyroid hormones to the scalp can help hair grow.
1 citations
,
January 2018 in “Journal of microscopy and ultrastructure” The method can identify minerals in hair from water, and using coconut oil or conditioner can prevent mineral buildup.
122 citations
,
October 2010 in “Clinica Chimica Acta” Washing hair with water or shampoo lowers cortisol levels in hair.
4 citations
,
May 2021 in “Lasers in Surgery and Medicine” Light therapy reduces scalp inflammation, boosts hair regrowth with Minoxidil 2%.
October 2015 in “CRC Press eBooks” Follicular transplantation is effective for treating hair loss and eyebrow alopecia.
6 citations
,
May 2021 in “Aesthetic Surgery Journal” Higher cell number PRP improves hair density and diameter more than lower cell number PRP.
January 2018 in “Springer eBooks” Gender affects hair and scalp characteristics, with differences in hormone responses, graying patterns, and trace metals.
1 citations
,
November 2020 in “DOAJ (DOAJ: Directory of Open Access Journals)” Both concentrations of triamcinolone acetonide are equally effective and safe for treating patchy alopecia areata.
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.
January 2005 in “The Chinese Journal of Dermatovenereology” High fluoride increases damage in hair follicles, but low selenium can reduce this damage at lower fluoride levels.
1 citations
,
October 2021 in “QJM: An International Journal of Medicine” Double-spin PRP is more effective for treating female hair loss than single-spin PRP.
November 2025 in “Journal of Investigative Dermatology” CBD can help hair grow by supporting scalp health and reducing inflammation.
30 citations
,
July 2000 in “PubMed” Hair has unevenly distributed proteins and lipids, with lipids mainly in the cuticle and proteins in the cortex and medulla.
8 citations
,
January 2020 in “International Journal of Trichology” Silymarin improves hair follicle health better than vitamin C by boosting cell growth and reducing oxidative stress.
May 2023 in “Frontiers in chemistry” Zolpidem shows up in hair from the top back of the head after one dose and fades over time, suggesting it gets into hair through blood and sweat.
February 2024 in “Research Square (Research Square)” Both PRP and L-GF treatments improved hair transplant results, with L-GF being slightly better, but the difference was not significant.
October 2025 in “Zenodo (CERN European Organization for Nuclear Research)” Onion oil may help hair regrowth and scalp health, but more research is needed.
6 citations
,
November 2010 in “Histochemistry and cell biology” The proteins transthyretin and megalin are more present in the growth phase of hair, suggesting they might affect hair health and growth.
July 2024 in “Journal of Investigative Dermatology” Topical thyroid hormones may boost hair growth.
October 2025 in “Zenodo (CERN European Organization for Nuclear Research)” Onion oil may help with hair regrowth and scalp health, but more research is needed.
134 citations
,
March 2015 in “Clinical Endocrinology” A new method accurately measures long-term steroid levels in human hair.
3 citations
,
November 2020 in “Dermatologic Therapy” Start with 2.5 mg/mL triamcinolone acetonide for scalp alopecia areata and increase if needed.
July 1989 in “British Journal of Dermatology” Minoxidil helps increase hair growth and density in people with hair loss, with higher concentrations giving better results.
2 citations
,
November 1992 in “Journal of dermatology” Hair cells grown in a lab showed specific hair proteins.
42 citations
,
December 2019 in “Steroids” Body hair isn't a good substitute for scalp hair in steroid analysis.
31 citations
,
December 2002 in “Biochimica et biophysica acta. G, General subjects/Biochimica et biophysica acta. General subjects (Online)” The research found two types of calcium in human hair, one that varies among individuals and another that is consistent across people.