49 citations
,
April 2007 in “Pediatric Dermatology” Biotin improved hair appearance in uncombable hair syndrome but didn't change hair structure.
41 citations
,
March 1998 in “Archives of Dermatological Research” The enzyme that changes testosterone to a stronger form is mostly found in the part of the hair follicle called the dermal papilla.
10 citations
,
December 2020 in “Palaeogeography, palaeoclimatology, palaeoecology” Elephant tusks and hair reveal seasonal diet and climate changes.
10 citations
,
September 2014 in “European Journal of Dermatology” A woman's hair loss worsened after starting hepatitis C treatment due to immune changes in her hair follicles.
9 citations
,
November 2019 in “Cell calcium” The STIM1 R304W mutation in mice leads to bone changes and teeth hair growth.
8 citations
,
June 2001 in “Journal of Biological Chemistry” A truncated protein linked to breast cancer may change cell adhesion.
7 citations
,
June 2009 in “Journal of the European Academy of Dermatology and Venereology” Basement membrane changes in lichen planopilaris cause scarring and permanent hair loss.
5 citations
,
January 1994 in “Dermatology” Corticosteroid therapy reduces specific immune cells and promotes hair growth in alopecia areata patients.
2 citations
,
February 2014 in “Animal Biotechnology” The PTGER2 gene is highly active in Cashmere goat skin and its activity changes with the hair growth cycle.
1 citations
,
November 2014 in “Journal of Biomedical Optics” Reflectance spectroscopy can noninvasively track hair growth stages by measuring skin reflectance and melanin changes.
1 citations
,
January 1978 in “PubMed” Certain chemical changes to cortisol and progesterone can increase or decrease their ability to inhibit hair growth.
Calorie restriction changes the elemental and isotopic makeup of mouse hair and bone.
October 2022 in “Hair Transplantation” Interest in hair transplants is growing among South Asians due to cultural and economic changes.
January 2022 in “Dubai diabetes and endocrinology journal/Dubai diabetes & endocrinology journal” A 16-year-old girl with HAIR-AN syndrome was treated with lifestyle changes and medications to manage her condition.
11 citations
,
September 1996 in “Neuroscience letters” Adding fetal calf serum helps Merkel cells survive and change shape.
6 citations
,
March 1998 in “Textile Research Journal” Chemical treatments can change the scale heights of wool and cashmere fibers, affecting their identification.
2 citations
,
September 1996 in “Neuroscience letters” Adding fetal calf serum to the medium kept Merkel cells alive and changed their shape.
1 citations
,
October 1988 in “Clinics in dermatology” The document concludes that understanding how cells in the hair follicle grow and change is important for regulating hair growth.
December 2020 in “Research Square (Research Square)” A genetic change in the FGF5 gene affects hair growth in cashmere goats.
Different treatments change the strength and flexibility of human hair.
86 citations
,
February 2003 in “Journal of The American Academy of Dermatology” New methods improve how we test hair growth treatments, but challenges like slow hair changes and high costs remain.
12 citations
,
January 1978 Friesian heifers take about 18 months to adapt to Kenya's climate, with hair changes not strongly linked to weight gain.
December 2025 in “Journal of the Korean Society of Cosmetology” Poor hair health increases stress and motivates scalp care, while visible hair changes drive care behaviors more than scalp condition.
January 2017 in “Journal of Cosmetics, Dermatological Sciences and Applications” Chinese women's hair gets thinner and grayer with age, and scalp conditions change, especially after 40.
September 1998 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” The document concludes that individualized treatments for hair issues are effective, certain hair changes can indicate neurocutaneous diseases, specific lotions improve skin health, laser hair removal works but needs more study on long-term effects, men's cosmetics are diverse, peeling is effective but can have side effects, and facial pigmentation is often due to overactive skin cells.
92 citations
,
February 2005 in “Endocrinology” Estrogen receptors affect hair growth, with ER beta slowing down the hair cycle changes caused by ER alpha.
42 citations
,
January 2009 in “Colloids and Surfaces B: Biointerfaces” A certain surfactant sticks to human hair, making it change from water-repelling to water-attracting, which could help in hair conditioning.
38 citations
,
October 1988 in “Clinics in Dermatology” Hormones, nutrition, and seasonal changes regulate hair growth cycles, with androgens extending growth phases and factors like aging and malnutrition affecting hair loss and thinning.
24 citations
,
October 2008 in “PubMed” Excessive sun exposure damages hair, causing protein loss and color changes.
22 citations
,
March 2009 in “Journal of Natural Medicines” Erica multiflora plant extract can help hair grow by stimulating growth-related cells and triggering hair cycle changes.