29 citations
,
July 2003 in “Experimental Dermatology” The upper hair follicle is stable, while the lower part allows movement during hair growth.
17 citations
,
January 2023 in “International Journal of Cosmetic Science” Hydrophobic interactions affect virgin hair, while electrostatic interactions are key for bleached hair.
May 2026 in “Zenodo (CERN European Organization for Nuclear Research)” Natural hair reflects identity and history, while modifications signal social pressures.
May 2026 in “Brazilian Journal of Hair Health” Bleaching damages hair the most, while dyes improve combability but still cause protein loss.
January 2026 in “International Journal of Biological Macromolecules” Small KP peptide improves hair without reducing agents, while larger proteins need them for better results.
June 2025 in “Dermatologic Surgery” GFC improves hair quickly, while PRP offers longer-lasting benefits; using both sequentially is recommended.
January 2004 in “Linchuang pifuke zazhi” All-trans retinoic acid helps amelanotic melanocytes in hair follicles develop and produce pigment while reducing their growth.
November 2020 in “Journal of The American Academy of Dermatology” Ankle braces reduce motion, while external focus improves hip and knee movements.
July 2024 in “Dermatology and Therapy” Darker hair colors may increase the risk of alopecia areata, while lighter hair colors may decrease it.
101 citations
,
January 2016 in “Journal of Cutaneous and Aesthetic Surgery” Different types of hair loss need specific treatments, and while many classification systems exist, each has its flaws; more research is needed to refine these systems and treatments.
81 citations
,
January 2003 in “The FASEB Journal” Follistatin helps hair growth and cycling, while activin prevents it.
33 citations
,
June 2016 in “Pediatric Dermatology” Some congenital hair disorders improve in childhood or with treatments like minoxidil and retinoids, while others like Netherton syndrome and trichothiodystrophy have a poor prognosis.
16 citations
,
October 2012 in “British Journal of Dermatology” Chemotherapy can cause significant hair thinning and changes in hair texture, while tamoxifen has a smaller effect.
7 citations
,
September 2020 in “Bioscience Biotechnology and Biochemistry” The scalp has more diverse bacteria, while hair has more bacteria and unique types.
118 citations
,
April 1998 in “Dermatologic Clinics” Finasteride and minoxidil are effective for hair regrowth, while treatments for alopecia areata have varying success and continuous treatment is necessary.
52 citations
,
October 2005 in “Journal of Investigative Dermatology” Hair follicle stem cells have greater longevity and adhesion, while transit-amplifying cells are more mobile.
28 citations
,
August 2005 in “Journal of Investigative Dermatology” TG5 helps maintain hair follicle health, while TG3 aids in hair shaft development.
27 citations
,
August 2018 in “Frontiers in Plant Science” High levels of auxin increase root hair growth by activating RSL2 and producing ROS, while high phosphate levels hinder growth by repressing RSL2.
24 citations
,
November 2013 in “British Journal of Dermatology” Chemotherapy causes hair loss starting soon after treatment begins and recovers about 3 months after ending, while tamoxifen does not significantly affect hair growth.
21 citations
,
March 2017 in “Skin research and technology” Removing external lipids from hair reduces moisture and increases strength, while removing internal lipids decreases water permeability.
8 citations
,
October 1988 in “Clinics in Dermatology” Current research explores hair growth drugs, while future research aims for personalized treatments.
7 citations
,
March 2012 in “Journal of Investigative Dermatology” Some thymic peptides can increase human hair growth, while others may inhibit it.
4 citations
,
December 2015 in “Journal of Medicinal Plants Research” A plant mixture extract helped grow hair by boosting cell growth and growth factors while blocking a hair loss-related enzyme.
4 citations
,
April 2021 in “Journal of Cosmetic Dermatology” Intradermal injections improve hair density and thickness better, while derma roller is more convenient.
3 citations
,
February 2025 in “Journal of the American Academy of Dermatology” Feminizing hormone therapy increases hair counts and improves hair-related quality of life, while masculinizing therapy may reduce large terminal hairs.
1 citations
,
July 2025 in “Biomaterials Advances” 3D cultures respond better to minoxidil, while 2D cultures respond better to DHT.
June 2026 in “Bulletin of Mathematical Biology” AGA causes more uncertainty in hair growth duration, while AA leads to a shorter, predictable growth phase.
August 2024 in “Research Journal of Health Sciences” Normal scalp and hair characteristics in Black Africans include white dots and a honeycomb pattern.
June 2024 in “Journal of Cosmetic Dermatology” Hair transplants are better for severe hair loss, while scalp micropigmentation suits those with denser hair.
CEOs aged 50-69 have less significant hair loss than the general white male population.