13 citations
,
August 2005 in “Journal of Investigative Dermatology Symposium Proceedings” Mutations in the DSG4 gene cause fragile, sparse hair in humans, mice, and rats.
89 citations
,
March 1990 in “PubMed” Shaving is the most effective temporary hair removal method for facial hirsutism.
April 2023 in “Experimental Dermatology” Human dermal papilla cells can increase hair thickness and number in pigs with just one injection.
90 citations
,
August 2004 in “Physiological Genomics” Dermal papilla cells help skin stem cells grow into hair.
38 citations
,
August 1973 in “Journal of Investigative Dermatology” 6 citations
,
November 2001 in “Der Hautarzt” Photothermolysis is the best method for permanent hair removal.
January 2011 in “The Chinese Journal of Dermatovenereology” DPC-hTERT cells can create hair follicle-like structures.
November 2017 in “Dermatologic Therapy” A new topical solution safely reduces hair shedding by 38% on average by tightening a muscle in the scalp.
32 citations
,
January 1966 in “Archives of Dermatology” The method accurately measures hair growth with minimal risk and is better than other techniques.
2 citations
,
February 2015 in “Journal of Tissue Engineering and Regenerative Medicine” Transplanting a mix of specific skin cells can significantly improve the repair of damaged hair follicles.
2 citations
,
October 2010 in “Journal of dermatological treatment” External treatments can change hair growth patterns in nude mice.
April 2017 in “Journal of Investigative Dermatology” Scientists created a tiny, 3D model of a hair follicle that grows and acts like a real one.
September 2019 in “The journal of investigative dermatology/Journal of investigative dermatology” Mouse skin glands need healthy nerves to grow properly during hair growth phases.
34 citations
,
January 1983 in “Journal of Investigative Dermatology”
August 1994 in “Journal of dermatological science” Different substances affect hair and skin cell growth in various ways, with some promoting and others inhibiting cell proliferation.
July 2025 in “Pharmaceutics” Transdermal delivery systems show promise for treating hair loss by delivering drugs directly through the skin.
24 citations
,
October 2010 in “Tissue Engineering Part A” Tissue-engineered skin can support hair growth after grafting, especially with mouse-derived dermis.
1 citations
,
May 2015 in “Dermatologic Therapy” The microstrip technique for hair transplantation is effective and discreet for patients needing fewer than 1500 grafts.
50 citations
,
September 1997 in “Developmental Biology” 44 citations
,
August 2004 in “Journal of Investigative Dermatology” A gene deletion in DSG4 causes sparse hair in some Pakistani families.
30 citations
,
October 2014 in “Experimental Dermatology” Leptin from skin fat can slow hair growth during certain phases.
52 citations
,
March 2015 in “Tissue Engineering Part C Methods” 3D images of skin show collagen is evenly spread, but elastic fibers are fewer near hair follicles.
January 2020 in “Journal of oral medicine and oral surgery” Hair grew in a man's mouth due to a rare condition called heterotopia.
125 citations
,
August 1992 in “Development” Implanted dermal papillae can induce hair growth in rat ear wounds.
1 citations
,
September 2003 in “CRC Press eBooks” Hair is important for social and sexual communication in humans.
6 citations
,
January 2013 in “Journal of Cutaneous and Aesthetic Surgery” A man with baldness had successful hair growth after transplanting body hair to his head.
1 citations
,
February 2025 in “Journal of the American Academy of Dermatology” Most men prefer keeping their eyebrows over scalp hair.
18 citations
,
August 2014 in “Lipids” Human hair has more unsaturated fats inside than on the surface, and certain lipids may help bind the outer and inner layers together.