Acidic sandy clay damages archaeological hair the most, while dry conditions preserve but make it brittle; silicone oil can help keep the hair flexible.
Hair test results can be misleading due to external contamination, so they shouldn't be used alone to assess long-term drug use.
January 2006 in “The Journal of Korean Medicine Ophthalmology and Otolaryngology and Dermatology” Rubus coreanum may help hair growth but not through the tested mechanisms, and none of the herbal extracts help with acne.
June 2004 in “Bulletin of Pharmaceutical Sciences. Assiut University” The natural hair treatment with Cantharidin works best for hair loss.
January 1990 in “Springer eBooks” Some chemicals can permanently or temporarily remove color from skin and hair, which can be distressing and is not well-regulated in cosmetics.
April 2019 in “Journal of emerging technologies and innovative research” Early treatment of Female Pattern Hair Loss is important to stop it from getting worse, and various treatments can help, especially in mild to moderate cases.
20 citations
,
November 2013 in “The Open Cancer Journal” Hair loss from cancer treatment is very distressing for women due to its impact on self-image and social stigma.
9 citations
,
January 2018 in “Annals of Dermatology” People with more knowledge about their hair loss condition and those who see it as a serious issue are more likely to seek treatment.
5 citations
,
July 1999 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” Proteolytic enzymes damage hair follicles by detaching stem cells.
Hair growth is maintained by specific cell signals.
January 2016 in “Human & Experimental Toxicology” A specific DNA sequence caused hair loss in male mice by activating immune cells and increasing a certain immune signal.
200 citations
,
November 1997 in “Planta” Calcium affects where root hairs grow, but other unknown factors determine their growth direction.
56 citations
,
December 2011 in “The Plant Journal” AGD1 is important for root hair development in Arabidopsis, working with phosphoinositide signaling and the actin cytoskeleton.
20 citations
,
January 2021 in “Plants” High energy boosts root hair growth in plants, while low energy stops it.
7 citations
,
July 2021 in “Molecules/Molecules online/Molecules annual” The method can measure vitamin B3 levels in human hair accurately.
1 citations
,
January 2022 in “Research Square (Research Square)” CRISPR/Cas9 editing in spinach affects root hair growth by altering specific genes.
1 citations
,
December 1972 in “Journal of Colloid and Interface Science” Ethanol spreads well on hair at low humidity but less so at higher humidity due to water condensation.
58 citations
,
December 2017 in “Journal of The European Academy of Dermatology and Venereology” Microneedling can help stimulate hair growth, especially when used with other treatments, but it's not better than existing therapies.
49 citations
,
April 2012 in “Phytotherapy Research” Rosemary leaf extract may be an effective natural treatment for hair growth and male pattern baldness.
42 citations
,
April 2011 in “Annals of Pharmacotherapy” Flutamide effectively treats female pattern hair loss with low doses showing good liver tolerance.
26 citations
,
January 2016 in “Annals of Dermatology” Ecklonia cava polyphenols help increase human hair growth and reduce hair loss.
25 citations
,
May 2021 in “Journal of exposure science & environmental epidemiology/Journal of exposure science and environmental epidemiology” Common Black hair care products may affect hormone levels and potentially impact health, especially in reproductive and metabolic areas.
21 citations
,
May 2016 in “The Cochrane library” Topical minoxidil helps treat female pattern hair loss, but more research needed for other treatments.
4 citations
,
September 2024 in “Jurnal Pengolahan Hasil Perikanan Indonesia” Bruguiera gymnorhiza leaf extracts show potential for developing anti-inflammatory drugs.
1 citations
,
November 2022 in “Research Society and Development” Medicinal plants can treat hair disorders by fighting fungi and improving hair health.
March 2026 in “Scientific Reports” Ferulic acid may help hair grow by activating certain receptors in cells.
January 2025 in “International Journal of Pharmaceutical Research and Development” Vitex negundo oil promotes hair growth and may treat alopecia safely.
June 2023 in “International journal of pharmaceutical quality assurance” Eclipta alba extract could be a promising natural treatment for hair loss.
January 2012 in “Human health handbooks” Traditional Indian remedies are used for hair health, but more scientific evidence is needed to prove their safety and effectiveness.
Avicennia marina extract and avicequinone C can potentially promote hair growth and treat hair loss by interfering with hair loss mechanisms and boosting growth factors.