95 citations
,
January 2009 in “Journal of Biomedical Optics” Nanoparticles penetrate hair follicles better when their size matches the cuticula thickness.
December 2022 in “JEADV Clinical Practice” Hair density and thickness decrease in specific scalp areas in people with androgenetic alopecia.
January 2017 in “Nutrafoods - International Journal on Nutraceuticals, Functional Foods and Novel Foods” The supplement reduces hair loss and increases hair thickness in older women.
16 citations
,
November 2011 in “PubMed” The treatment improved hair growth in people with male pattern baldness.
57 citations
,
November 1987 in “Pediatric Dermatology” Children's hair grows in different types from before birth through puberty, with growth rates and characteristics varying by age, sex, and race.
26 citations
,
November 2005 in “Journal of Investigative Dermatology Symposium Proceedings” TrichoScan effectively measures hair growth improvements in people using minoxidil.
April 2025 in “Journal of Cosmetic Dermatology” The device safely increased hair growth and thickness in men with hair loss.
September 2024 in “Egyptian Journal of Dermatology and Venerology” Low-energy fractional CO2 laser therapy significantly improves hair regrowth in women with female-pattern hair loss.
May 2024 in “Journal of the Egyptian Women's Dermatologic Society /Journal of the Egyptian Women's Dermatologic Society” Combining fractional CO2 laser and PRP is very effective for treating female hair loss.
January 2024 in “Lecture notes in networks and systems” "TRICHOASSIST" is a system that analyzes hair and scalp images to help diagnose scalp diseases.
August 2018 in “Journal of The American Academy of Dermatology” Aging significantly affects the hair and scalp of nonbalding Caucasian women, with changes that differ from male pattern baldness.
November 2022 in “Research Square (Research Square)” Topical minoxidil 5% is better for treating female pattern hair loss than topical sildenafil 1%.
9 citations
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June 2008 in “Springer eBooks” Understanding hair follicle structure is key for treating hair disorders and could help develop new treatments.
September 2016 in “Journal of dermatological science” The conclusion is that the variation in hair thinness in patients is mostly due to the amount of underdeveloped hairs, and treatments that thicken fine hairs might work for those with mild to severe conditions.
January 2012 in “Human health handbooks” Low-level light therapy is FDA-approved for male pattern hair loss, increases hair count and strength, and is considered safe for use.
70 citations
,
February 2017 in “Dermatologic Surgery” Treatment with plasma rich in growth factors improved hair density and thickness for hair loss patients.
17 citations
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February 2018 in “Journal of Cosmetic and Laser Therapy” The QR 678 hair growth treatment was safe and effective for hair regrowth in men and women.
15 citations
,
May 2013 in “American Journal of Medical Genetics - Part A” People with X-linked hypohidrotic ectodermal dysplasia have no sweat ducts and less, thinner hair.
1 citations
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March 2009 in “Hair transplant forum international” The TrichoScan method effectively measures hair growth and helps choose patients for hair restoration surgery.
October 2023 in “Research Square (Research Square)” Polynucleotide gel injections help reduce hair loss and increase hair thickness in people with pattern hair loss, with few side effects.
13 citations
,
August 2018 in “Facial Plastic Surgery Clinics of North America” Adipose tissue shows promise for hair regrowth, but more research is needed to confirm best practices and effectiveness.
1 citations
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January 1997 in “Journal of Investigative Dermatology” RU58841, an androgen receptor blocker, significantly increased hair density, thickness, and length in monkeys when applied topically daily for several months.
January 2023 in “Journal of cosmetic dermatology” The synthetic retinoid EC23 thickens skin and promotes hair growth more effectively and with a lower dose than natural retinoids.
March 2021 in “British Journal of Dermatology” PRP helps hair regrowth and thickness.
June 2025 in “Research Square (Research Square)” Stem cell exosome injections can safely improve hair growth and thickness in men with hair loss.
22 citations
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October 2019 in “Dermatologic Surgery” Both Platelet-Rich Plasma and Minoxidil foam increase hair count in women with hair loss, but Minoxidil is more effective. However, women were more satisfied with Platelet-Rich Plasma treatment.
16 citations
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December 2017 in “Journal of The American Academy of Dermatology” Low-level laser therapy may reduce symptoms and increase hair thickness in lichen planopilaris patients.
October 2025 in “Plastic & Reconstructive Surgery” MNC-QQ cell therapy improved hair growth and quality of life in men with androgenic alopecia without adverse effects.
January 2022 in “Journal of Cosmetics, Dermatological Sciences and Applications” The serum increased hair density and was well-tolerated, but didn't affect hair thickness or shedding.
July 2025 in “Actas Dermo-Sifiliográficas” Botulinum toxin A does not significantly improve hair density or thickness in androgenetic alopecia.