May 2026 in “Zenodo (CERN European Organization for Nuclear Research)” Herbal hair oil is safe and effective for promoting hair growth and scalp health.
2 citations
,
February 1983 in “International Journal of Cosmetic Science” Selenium disulphide detergents increase hair oiliness by boosting some lipids and reducing fatty acids.
95 citations
,
October 2007 in “International Journal of Dermatology” A new method accurately classifies hair types, showing global hair diversity.
50 citations
,
January 1986 16 citations
,
March 2013 in “Clinica Chimica Acta” Cortisol and cortisone release from hair increases in steps over time during incubation.
8 citations
,
November 2019 in “Journal of Trace Elements in Medicine and Biology” Higher hair iron levels are linked to changes in brain structure and function.
4 citations
,
January 1992 in “American Journal of Ophthalmology” 2 citations
,
May 2019 in “Small ruminant research” Mutations in specific llama genes may affect fiber quality for textiles.
1 citations
,
October 2020 Hair can reliably measure average estradiol levels over months in humans and monkeys.
January 2024 in “Indian Journal of Pharmaceutical Sciences” Relaxing certain muscles might straighten curly hair.