4 citations
,
November 2017 in “Journal of Cosmetic Dermatology” Certain polymers can stick to hair and increase volume, working best at a pH of 7 to 9.
1 citations
,
July 2019 in “Microscopy Today” Microfluorometry effectively measures how much polymer coats and penetrates hair, useful for evaluating hair products.
August 2007 in “Microscopy and Microanalysis” Hair fibers break by cuticle cell slipping, shape changing, cuticle fraying, and surface cracking when stretched under specific conditions.
245 citations
,
March 2012 in “Journal of The American Academy of Dermatology” Dermatoscopy is useful for identifying different hair and scalp conditions and can reduce the need for biopsies.
242 citations
,
February 2016 in “Science” Hair loss and aging are caused by the breakdown of a key protein in hair stem cells.
162 citations
,
August 2005 in “The journal of investigative dermatology/Journal of investigative dermatology” The new "differential stripping" method effectively measures how much substance gets into hair follicles.
159 citations
,
September 2001 in “European Journal of Cancer Care” Chemotherapy-induced hair loss significantly affects patients' well-being, and nurses are key in helping them cope, but more research is needed to find effective treatments.
115 citations
,
September 2005 in “International Journal of Dermatology” Different ethnic groups have unique hair growth patterns, with African hair growing slower and less dense, Asian hair growing fast but sparse, and Caucasian hair being densest; men are more likely to experience hair loss than women.
90 citations
,
January 2009 in “Journal of cosmetic and laser therapy” Low-level laser therapy might help hair growth, but more research is needed.
83 citations
,
March 2015 in “International Journal of Dermatology” ADSC-CM treatment improved hair density and thickness in women with hair loss, safely and effectively.
70 citations
,
February 2017 in “Dermatologic Surgery” Treatment with plasma rich in growth factors improved hair density and thickness for hair loss patients.
62 citations
,
December 2013 in “Aaps Journal” Squarticles effectively deliver hair growth drugs to follicles and dermal papilla cells.
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.
57 citations
,
August 2003 in “British Journal of Dermatology” Minoxidil and pyrithione zinc combo most effectively increases hair density.
48 citations
,
May 2015 in “NPJ microgravity” A 3-month stay in space causes skin thinning, disrupts hair growth, and changes muscle-related genes in mice.
43 citations
,
August 2013 in “Pediatric Dermatology” Trichoscopy is good for diagnosing and monitoring hair and scalp problems in children but needs more research for certain conditions.
43 citations
,
October 2002 in “International Journal of Cosmetic Science” All three shampoos reduced dandruff and hair loss, but ketoconazole and piroctone olamine also made hair thicker.
43 citations
,
September 2001 in “Scanning” Hair treatments like bleaching increase friction by exposing tiny pores on the hair surface.
40 citations
,
January 2013 in “Journal of Korean Medical Science” Iron deficiency may contribute to hair loss.
37 citations
,
February 2014 in “Journal of Dermatology” Valproic acid increases hair count in men with hair loss.
34 citations
,
January 2014 in “International Journal of Trichology” Polarized dermoscopy is slightly better than nonpolarized for diagnosing hair disorders, with each method having its own strengths.
34 citations
,
December 1991 in “Annals of the New York Academy of Sciences” The conclusion is that small hair follicles cause baldness in macaques, and treatments like antiandrogens and minoxidil can prevent hair loss and promote regrowth.
32 citations
,
November 2020 in “Nanomaterials” Excipients greatly affect how well curcumin nanocrystals penetrate the skin and target hair follicles.
31 citations
,
February 2020 in “BioMed Research International” Thai people's hair density decreases with age and varies by scalp area, but hair thickness stays the same regardless of age or scalp area.
23 citations
,
August 2019 in “Proceedings of the National Academy of Sciences of the United States of America” Pollution exposure speeds up hair damage.
23 citations
,
February 2015 in “International Journal of Molecular Sciences” Colchicine can inhibit hair growth by affecting cell activity and protein expression in hair follicles.
22 citations
,
July 2012 in “International Journal of Trichology” Miniaturized hairs stay connected to muscle in alopecia areata, allowing possible regrowth, but not in androgenetic alopecia.
21 citations
,
March 2019 in “Experimental Dermatology” Immune cells around hair follicles help control hair growth and could be targets for treating hair disorders.
21 citations
,
July 2014 in “British Journal of Dermatology” Hair thickness matters more than density for baldness in Japanese men over 25.
21 citations
,
October 2006 in “International Journal of Dermatology” Asian hair is stronger and more damage-resistant than Caucasian hair due to a thicker cuticle layer.