March 2005 in “International Journal of Cosmetic Science” A new method helps understand hair shine and various products improve hair care.
947 citations
,
February 2004 in “The Journal of Clinical Endocrinology and Metabolism” Most women with excess male hormones have Polycystic Ovary Syndrome, and hormonal therapy can improve symptoms but may cause side effects.
340 citations
,
September 2014 in “PLOS Genetics” The study found that in Latin America, ancestry varies by location, influences physical traits, and affects how people perceive their own heritage.
270 citations
,
July 2007 in “The Journal of Clinical Endocrinology and Metabolism” Women with PCOS often have more belly fat and higher insulin levels, but belly fat isn't the only cause of their insulin resistance.
211 citations
,
April 2013 in “Development” More dermal papilla cells in hair follicles lead to larger, healthier hair, while fewer cells cause hair thinning and loss.
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.
94 citations
,
January 2007 in “Cutaneous and Ocular Toxicology” Iranian veterans exposed to sulfur mustard suffer from long-term skin itching and eye damage, with some risk of skin cancer and ongoing management challenges.
79 citations
,
January 1982 in “The American Journal of Medicine” Etoposide is effective in treating several cancers, especially small cell lung cancer, with acceptable side effects.
76 citations
,
February 2011 in “Journal of The American Academy of Dermatology” Some African American women's central scalp hair loss is linked to genetics and past fungal scalp infections, with more research needed on other causes.
68 citations
,
March 1965 in “The BMJ” Hormones and genetics affect hair growth and patterns, with some changes reversible and others not.
54 citations
,
October 2002 in “Journal of controlled release” Medium lipophilic substances penetrate skin best, and adding ethanol can increase delivery to hair follicles.
43 citations
,
September 2001 in “Scanning” Hair treatments like bleaching increase friction by exposing tiny pores on the hair surface.
42 citations
,
March 2010 in “The journal of investigative dermatology/Journal of investigative dermatology” Mutations in the KRT85 gene cause hair and nail problems.
37 citations
,
January 2009 in “Dermatology” Healthy women tend to lose more hair in July and April, and the least in February.
37 citations
,
January 2008 in “Gynecological Endocrinology” Shorter CAG repeats in a specific gene may increase male hormone activity and symptoms like acne and excess hair in women with PCOS.
35 citations
,
February 2006 in “Textile Research Journal” Enzymes xylanase and pectinase clean wool and specialty hair fibers effectively without damage, offering an eco-friendly alternative to soap and hot water.
34 citations
,
May 2013 in “Journal of the European Academy of Dermatology and Venereology” Hair growth slows and shedding increases after childbirth, but most women don't experience excessive hair loss.
34 citations
,
August 1966 in “Experimental cell research” Keratin fibrils in hair form and stop growing at specific points in the follicle.
28 citations
,
November 2020 in “Fluid Phase Equilibria” Minoxidil dissolves better in propylene glycol + water than in supercritical CO2.
28 citations
,
March 2013 in “Stem cells” Certain human skin cells marked by CD44 and ALDH are rich in stem cells capable of long-term skin renewal.
28 citations
,
May 2012 in “Veterinary Dermatology” Different types of dog hair loss are linked to problems starting the hair growth phase and early hair cycle ending.
28 citations
,
April 2010 in “British Journal of Dermatology” Genetic marker rs12558842 strongly linked to male hair loss.
26 citations
,
March 1986 in “Clinical and Experimental Dermatology” Scalp hair grows at 0.37 mm/day, forearm hair at 0.18 mm/day, and thigh hair at 0.30 mm/day, with no significant differences found in people with certain hair conditions.
25 citations
,
January 2020 in “Genomics” Cashmere and milk goats have different hair growth cycles and gene expressions, which could help improve wool production.
24 citations
,
May 2019 in “PLOS ONE” The African spiny mouse can fully regenerate its muscle without scarring, unlike the common house mouse.
24 citations
,
March 2014 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.
24 citations
,
March 1987 in “Journal of The American Academy of Dermatology” Minoxidil 1% and 2% best promote hair growth and may prevent hair loss.
23 citations
,
January 2003 in “Journal of Pediatric Endocrinology and Metabolism” About 15% of US Army personnel use hair products containing hormone or placenta, with higher usage among non-whites, females, and enlisted personnel.
22 citations
,
March 2019 in “Environmental health” Higher fluoride levels may delay puberty in boys.
20 citations
,
November 2018 in “Journal of cutaneous pathology” Different skin diseases show unique patterns of skin cell separation, cell death, and granular layer changes.