80 citations
,
April 2011 in “Plant physiology” White lupin uses specific genes to grow root hairs and access phosphorus when it's scarce.
64 citations
,
March 2005 in “Journal of Investigative Dermatology” Brain-Derived Neurotrophic Factor (BDNF) slows down hair growth and promotes hair follicle regression.
57 citations
,
February 2018 in “Journal of the American Academy of Dermatology” Biotin supplements are not proven to improve hair or nails and may interfere with medical tests.
46 citations
,
March 2019 in “Journal of Pineal Research” Melatonin improves cashmere goat hair growth and quality by increasing antioxidants and reducing cell death.
34 citations
,
October 1982 in “Journal of applied polymer science” Moisture content significantly affects how human hair breaks.
23 citations
,
January 2015 in “Stem cells international” Coating surfaces with human hair keratin improves the growth and consistency of important stem cells for medical use.
16 citations
,
April 2017 in “ACM Transactions on Graphics” Light scatters differently from elliptical hair fibers than from circular ones, and a new model better predicts this behavior, especially for shiny highlights.
11 citations
,
September 1996 in “Neuroscience letters” Adding fetal calf serum helps Merkel cells survive and change shape.
32 citations
,
March 2020 in “Drug Design Development and Therapy” Finasteride shows promise for female hair loss, but more research needed.
10 citations
,
September 2020 in “Archives of Dermatological Research” Both methods improve hair density and thickness; double-spin may be more effective.
3 citations
,
March 1998 in “Aesthetic Surgery Journal” Experts suggest various surgical methods for hair restoration, including scalp reduction, transplantation using minigrafts, and establishing a permanent frontal hairline with follicular units. The drug finasteride may also be used alongside these procedures.
August 2019 in “Aesthetic Surgery Journal” PRP can boost hair growth and thickness, especially in early stages of hair loss, but its effectiveness varies and there's no set method or treatment frequency. Stem cells also show promise for increasing hair density.
45 citations
,
December 2006 in “Biopolymers” Permanent waving weakens hair by altering its protein structure.
1 citations
,
January 1987 in “Journal of Society of Cosmetic Chemists of Japan” The method accurately measures hair damage and strength, revealing effects of cosmetics and metal correlations.
January 2013 in “Sen'i Gakkaishi” Microfibrils are key for permanent waves, and hydrolyzed keratin improves wave formation and hair condition.
75 citations
,
November 1965 in “Textile research journal” Papain and bisulfite break down human hair by dissolving parts of it.
74 citations
,
June 2018 in “Cell death and disease” Restoring mitochondrial function in mice reversed their skin wrinkling and hair loss.
27 citations
,
March 2022 in “Forensic Toxicology” Micro-segmental hair analysis helps detect drug use patterns and estimate drug consumption days.
25 citations
,
October 1996 in “Dermatologic Clinics” Loose Anagen Syndrome causes easy-to-pull, thin hair, mainly in young girls, and improves with age.
10 citations
,
January 2008 in “Biological and Pharmaceutical Bulletin” t-Flavanone may help hair growth by reducing a specific protein's activity in skin cells.
3 citations
,
January 2004 in “Sen i Gakkaishi” DTDG in hair treatments reduces damage and preserves hair structure.
2 citations
,
April 2017 in “Molecular Medicine Reports” Blocking autophagy increases survival of inner ear hair cells exposed to gentamicin.
2 citations
,
January 2008 in “Journal of Society of Cosmetic Chemists of Japan” PMS nanoparticles improve damaged hair by protecting and restoring its surface and color.
1 citations
,
April 2024 in “Journal of Pharmaceutical and Pharmacological Sciences” The mouse models are effective for testing new hair loss treatments.
March 2026 in “DergiPark (Istanbul University)” Biotinoyl tripeptide-1 nanoparticles protect hair from heat damage.
September 2025 in “Journal of Pakistan Association of Dermatologists” Adding Biotin to PRP doesn't improve hair regrowth.
November 2011 in “Advanced Materials Research” Adding 1% hair fibers to brake materials improves friction and wear, making them more effective.
35 citations
,
February 2006 in “Textile Research Journal” Enzymes xylanase and pectinase clean wool and specialty hair fibers effectively without damage, offering an eco-friendly alternative to soap and hot water.
17 citations
,
July 2018 in “International Journal of Cosmetic Science” Keratin-based particles safely improve hair strength, smoothness, and heat protection.
59 citations
,
October 2012 in “Pharmaceutical Research” Squalene-based carriers improve delivery of a treatment to hair follicles for alopecia areata.