March 2023 in “Asian journal of beauty & cosmetology” Keratin pretreatment improves the quality of damaged hair during perming.
June 2022 in “International journal of drug delivery technology” Nebivolol cream may be a promising hair loss treatment by improving blood flow and nourishing hair follicles.
June 2021 in “Journal of Pharmaceutical Care Anwar Medika” The hair tonic made from cayenne pepper leaf extract is physically stable and suitable for use.
September 2016 in “DOAJ (DOAJ: Directory of Open Access Journals)” Jujube essential oil promotes hair growth.
December 2015 in “Biomedical and biopharmaceutical research” Argan oil makes hair care products spread better and improves their texture.
Activin B helps start and grow hair follicles in mice.
September 2012 in “European journal of psychotraumatology” A new method accurately measures long-term hormone levels in hair.
Yifa Compound Prescription helps hair follicles grow better in lab conditions.
January 2009 in “Anhui nongye kexue” Higher estradiol levels slow cashmere goat hair follicle growth.
January 2006 in “Chinese Journal of Dermatology” Latanoprost helps pig hair follicles grow faster by keeping them in the growth phase longer.
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.
October 2020 in “Journal of Aesthetic Nursing” Platelet-rich plasma (PRP) injections effectively treat hair loss and thinning in both men and women, with high satisfaction and no major side effects.
21 citations
,
December 2012 in “Biological Trace Element Research” Higher hair levels of calcium and magnesium are linked to higher body weight, while lower levels are linked to worse metabolic health.
2 citations
,
December 2022 in “Metabolites” Hair analysis shows low progesterone in anorexia patients, unchanged by short-term weight gain.
March 2026 in “Nutrients” Hair manganese may relate to cardiometabolic health, not coronary artery disease severity.
November 2025 in “Biological Trace Element Research” Hair mineral analysis doesn't reliably show blood mineral levels but may help track long-term mineral trends.
November 2024 in “Psychoneuroendocrinology” Testosterone increases hair testosterone levels, stress raises hair cortisol, and relationship status affects hormone levels.
October 2008 in “Trace Elements and Electrolytes” Tailored supplementation of calcium, magnesium, and vitamin D based on hair analysis may improve bone health.
217 citations
,
July 2009 in “Experimental and Clinical Endocrinology & Diabetes” Hair analysis can track past cortisol levels in Cushing's Syndrome patients.
122 citations
,
October 2013 in “PEDIATRICS” Maternal stress during pregnancy affects a child's stress levels.
71 citations
,
December 1987 in “Journal of animal science/Journal of animal science ... and ASAS reference compendium” Hair analysis is not a precise way to measure livestock's mineral status but can help when used with other methods.
33 citations
,
November 2007 in “JAT. Journal of applied toxicology/Journal of applied toxicology” Human scalp hair on mice can effectively monitor mercury exposure.
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.
30 citations
,
November 1985 in “American Journal of Veterinary Research” Switch hair can indicate magnesium and copper levels in beef cows.
20 citations
,
August 2017 in “Drug testing and analysis” Drugs localize differently in hair strands based on their properties.
12 citations
,
November 2022 in “Toxics” EtG in hair can help detect alcohol use but may be inaccurate in people with certain health conditions.
5 citations
,
January 2021 in “Biomedicine & Pharmacotherapy” Policosanol helps treat hair loss by balancing hormones and supporting hair growth.
4 citations
,
December 2018 in “Macedonian Journal of Chemistry and Chemical Engineering” A new method accurately measures amino acids in treated hair, showing bleaching reduces amino acids while protein treatments increase them.
3 citations
,
August 2019 in “Medika Tadulako: Jurnal Ilmiah Kedokteran Fakultas Kedokteran dan Ilmu Kesehatan” A 3% hair tonic with bitter melon leaf and carrot extracts boosts hair growth effectively.
2 citations
,
June 2021 in “Medicine” High levels of cortisol in hair are linked to a greater risk of brain aneurysm rupture.