93 citations
,
February 2008 in “Atmospheric environment” Ozone reacts more with unwashed hair, producing compounds due to scalp oils, which could lower ozone exposure but increase exposure to reaction products.
65 citations
,
August 2007 in “Experimental Dermatology” Human hair follicles can make and process prostaglandins, which may affect hair growth.
64 citations
,
August 2007 in “Artificial Organs” PHBV nanofiber matrices help wounds heal faster when used with hair follicle cells.
44 citations
,
June 2018 in “Journal of Cellular Physiology” Researchers developed a 3D model of human hair follicle cells that can help understand hair growth and test new hair loss treatments.
43 citations
,
October 2005 in “Molecular and cellular endocrinology” Hair melanocytes help the skin respond to stress and regulate hair pigmentation.
40 citations
,
January 2016 in “PLoS ONE” Shorter daylight increases hair growth in Cashmere goats.
30 citations
,
December 2018 in “International Journal of Biological Macromolecules” Chitosan and surface-deacetylated chitin nanofibers may help treat hair loss.
21 citations
,
January 2020 in “Conservation Physiology” Hair follicles increase hair cortisol levels, so consistent hair collection methods are important.
20 citations
,
May 1998 in “PEDIATRICS” African-American girls tend to start puberty earlier than white girls, possibly due to increased androgen production.
18 citations
,
January 2023 in “Nano Research” Red OLED therapy significantly boosts hair growth.
12 citations
,
May 2023 in “EMBO reports” High mTORC1 activity slows hair growth and causes it to lose color.
9 citations
,
August 2013 in “Journal of Tissue Engineering and Regenerative Medicine” Transplanted baby mouse skin cells grew normal hair using a new, efficient method.
8 citations
,
March 2015 in “Molecular Medicine Reports” Hair dye ingredient PPD causes cell death and aging in human hair cells by altering microRNA levels.
6 citations
,
September 2010 in “Pigment Cell & Melanoma Research” We know less about human hair pigmentation than mouse coat color, but pH and cysteine levels are key factors.
5 citations
,
June 2018 in “Elsevier eBooks” Testosterone is important for male sexual traits, reproduction, muscle and bone health, blood production, and metabolism, and works both directly and after being changed into other hormones.
4 citations
,
December 2022 in “Frontiers in Bioengineering and Biotechnology” Exosomes show promise for improving wound healing, reducing aging signs, preventing hair loss, and lightening skin but require more research and better production methods.
3 citations
,
October 2023 in “Bioscience Biotechnology and Biochemistry” Salmon nasal cartilage proteoglycan may help hair grow.
3 citations
,
August 1992 in “Bulletin of Experimental Biology and Medicine” Diabetes changes keratin in skin and hair, affecting their health.
2 citations
,
November 2024 in “PLoS ONE” Genomic prediction can improve breeding strategies for Korean Sapsaree dogs.
1 citations
,
July 2023 in “Communications biology” Removing Mediator 1 from certain mouse cells causes teeth to grow hair instead of enamel.
1 citations
,
January 2012 in “Human health handbooks” Hair color is determined by melanin types and gene activity.
1 citations
,
October 2010 in “2010 3rd International Conference on Biomedical Engineering and Informatics” The LEF-1 gene in cashmere goats was successfully cloned and analyzed, showing potential for improving cashmere production.
March 2026 in “Biomolecules” MicroRNAs play a key role in controlling hair growth and quality in sheep and goats.
January 2026 in “Veterinary Sciences” Skin maturation in Dezhou donkey foals involves better barrier function, hair growth, and less collagen production.
November 2025 in “Journal of Investigative Dermatology” BTNL2 helps protect hair follicles from immune attacks.
October 2025 in “Skin Health and Disease” Photothermal conditioning of PRP shows promise for improving hair growth but needs more research for confirmation.
May 2025 in “Universidad Industrial de Santander” The business plan confirms the economic viability of producing and marketing a natural hair growth tonic in Sogamoso.
August 2024 in “Majalah Obat Tradisional” Cayenne pepper microemulsion at 0.2% concentration significantly promotes hair growth.
July 2024 in “Pharmaceutical Development and Technology” Microsponges with rosemary oil significantly improve hair growth compared to regular rosemary oil and minoxidil.
April 2023 in “Journal of Investigative Dermatology” Blocking casein kinase 1 in skin cells can help melanocyte precursors move better, potentially helping with conditions like vitiligo or gray hair.