A runner developed tangled armpit hairs from shirt friction, preventable by shaving or wearing smooth shirts.
Stroma structural changes cause large pores and skin laxity, regardless of age or ethnicity.
11 citations
,
April 2020 in “Animals” Moving horses to new places can increase their stress levels, as shown by higher stress hormone in their hair.
4 citations
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June 2019 in “International Journal of Cosmetic Science” Heat transfer in hair is slower in groups of hair, increasing the risk of damage from high-temperature styling tools.
October 1988 in “Pediatric research” Certain maturity signs appear before and after the first release of sperm in boys.
9 citations
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November 2007 in “Veterinary dermatology” Boxer and Labrador dogs' hair growth is affected by the tropical climate, but Schnauzers' is not.
5 citations
,
April 2024 in “Animals” Younger cashmere goats produce more and better-quality fiber due to higher active hair follicles and antioxidant capacity.
The mutation helps mice handle heat better without affecting hair growth.
1 citations
,
January 1988 Topical DHEA safely increases skin oil production.
May 2024 in “Anais brasileiros de dermatologia/Anais Brasileiros de Dermatologia” Oral minoxidil 7.5 mg for hair loss increases heart rate but not blood pressure.
December 2023 in “Data in Brief” Curly hair's strength and flexibility vary with moisture and temperature.
17 citations
,
July 2003 in “Metabolism-clinical and Experimental” Women with female-pattern baldness produce more testosterone, but 5a-reductase inhibition treatment won't help.
77 citations
,
September 1983 in “Acta Paediatrica” Dexamethasone effectively normalizes elevated steroid levels in girls with premature adrenarche.
3 citations
,
July 1993 in “Contraception” Women with moderate body hair have higher levels of certain hormones and may benefit from treatment that increases sex hormone-binding protein.
November 2023 in “Journal of animal science/Journal of animal science ... and ASAS reference compendium” Pig hair cortisol levels are inheritable and linked to stress responses, which could help select for more resilient pigs.
3 citations
,
January 2019 in “Skin research and technology” All wiping methods are as effective as washing for removing cleaning agent from hair.
9 citations
,
September 2012 in “Journal of Cosmetic Dermatology” Hair capacitance mapping effectively measures hair surface moisture changes.
1 citations
,
August 2010 in “Journal of dermatology” Photoepilation significantly reduces hair, and phototrichograms can objectively measure its effectiveness.
January 2018 in “Digital Scholarship - UNLV (University of Nevada Reno)” Hair cortisol levels can indicate chronic stress in children, with differences seen between races.
August 2016 in “Psychoneuroendocrinology” 4 citations
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August 2015 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” Both fixed and incremental laser treatments effectively reduced underarm hair, but the fixed method was less painful.
18 citations
,
April 2010 in “Langmuir” Human hair surface varies in wettability, showing daily and monthly patterns.
4 citations
,
July 2016 in “Dermatologic Surgery” Higher epinephrine concentration and specific injection sites increase scalp vasoconstriction time.
5 citations
,
January 1993 in “Hormone and Metabolic Research” DHEA and DHEA-S help maintain underarm hair in older women.
2 citations
,
January 1997 in “Journal of the society of cosmetic chemists” Different antidandruff shampoos can change how much oil your scalp produces.
2 citations
,
February 1983 in “International Journal of Cosmetic Science” Selenium disulphide detergents increase hair oiliness by boosting some lipids and reducing fatty acids.
Chemical treatments weaken hair's thermal stability and structure.
December 2014 in “Bali Medical Journal” Females have higher estrogen receptor levels in hair than males, and these levels decrease in white hair compared to black hair.
67 citations
,
July 1985 in “British journal of dermatology/British journal of dermatology, Supplement” Men's thigh hair grows longer and has a longer growth cycle than women's, but arm hair growth is similar between genders.
September 2024 in “Toxicology Letters” Cortisone and cortisol levels in pregnant women’s hair increase as labor approaches, indicating higher stress.