February 2026 in “Journal of the Korean Society of Cosmetology” The ampoule significantly improves hair density, thickness, and usability without side effects.
December 2024 in “Skin Appendage Disorders” Traction alopecia reduces hair density and thickness; proper hair care can help prevent it.
3 citations
,
January 2025 in “动物学研究” The gene GJA1 is important for regulating coarse hair density in goats.
61 citations
,
April 2012 in “British Journal of Dermatology” Caucasian women's hair appears thickest in their 20s, with perceived thinning after mid-30s due to both decreasing density and diameter.
25 citations
,
August 2015 in “Journal of cosmetic dermatology” African American women report more hair issues and use different hair care practices than Caucasian women, and have different hair and scalp characteristics.
16 citations
,
January 2002 in “Dermatology” Early baldness is noticed due to both reduced hair density and thinner hair shafts.
6 citations
,
January 2016 in “Annals of Dermatology” Human hair contains more glycosaminoglycans in children than adults, and these compounds decrease with age, possibly affecting hair thickness.
September 2022 in “International Journal of Trichology” Trichoscopic measurements help determine the severity of female pattern hair loss.
January 2025 in “International Journal of Dermatology” Afro-textured hair in indigenous South Africans has lower density and unique features, needing specific evaluation standards.
68 citations
,
March 2018 in “Biomaterials” Tiny needles with valproic acid can effectively regrow hair.
92 citations
,
September 2019 in “ACS nano” A wearable device using electric stimulation can significantly improve hair growth.
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.
42 citations
,
June 2019 in “Aging” 3,4,5-tri-O-caffeoylquinic acid promotes hair growth by activating the β-catenin pathway.
16 citations
,
November 2011 in “PubMed” The treatment improved hair growth in people with male pattern baldness.
3 citations
,
January 2021 in “Hair transplant forum international” The Hair Diameter Index (HDI) was created to help plan hair restoration surgery after finding that visual hair density is linked to hair count and thickness, not volume.
1 citations
,
March 2021 in “Frontiers in Medicine” Female pattern hair loss shows similar characteristics in both genders and should be classified by hair loss patterns, not gender.
26 citations
,
May 2017 in “Lasers in Medical Science” Laser therapy and hair growth factors significantly improve hair density in male baldness.
23 citations
,
June 2021 in “Lasers in Medical Science” Blue light therapy may help with hair growth, but more research is needed.
17 citations
,
November 2012 in “Maturitas” The conclusion is that proper evaluation and treatment of hair loss in midlife women is important, considering the emotional impact and potential for various treatments.
11 citations
,
January 2017 in “Evidence-based Complementary and Alternative Medicine” DA-5512 effectively improves hair growth and health, performing better than minoxidil.
9 citations
,
January 2018 in “Dermatologic Therapy” The HairLux device safely and effectively promotes hair growth in people with hair loss.
2 citations
,
May 2022 in “Clinical, Cosmetic and Investigational Dermatology” Trichoscopy and pathological examination both have unique benefits and cannot completely replace each other in evaluating hair.
1 citations
,
April 2023 in “Biomolecules” Fermented papaya and mangosteen in hair care products helped prevent hair loss and improve hair thickness.
March 2026 in “Journal of Maxillofacial and Oral Surgery” Using PRP in hair transplants improves hair regrowth, healing, and patient satisfaction.
December 2025 in “The American Journal of Interdisciplinary Innovations and Research” The InvisiCaps Method ensures natural-looking hair extensions by carefully matching donor hair characteristics.
November 2025 in “PARIPEX-INDIAN JOURNAL OF RESEARCH” GFC is more effective than PRP for treating hair loss.
October 2025 in “Journal of Craniofacial Surgery” Chitosan and minoxidil both improve hair growth, but more research is needed on chitosan.
March 2025 in “Journal of Cosmetic Dermatology” Thermus thermophilus extract improves hair growth and scalp health in men with hair loss.
January 2025 in “Science World Journal” Male and female scalp hair differ in size, density, length, curliness, pigmentation, and cuticle preservation.
December 2023 in “Siriraj Medical Journal” 5% Azelaic acid is as effective as 2% Minoxidil for female pattern hair loss and could be an alternative for those allergic to Minoxidil or pregnant.