47 citations
,
July 1967 in “Science” Not eating enough protein can cause hair roots to shrink and lose color, and hair to become thinner.
42 citations
,
April 2008 in “Acta materialia” Different ethnicities and treatments affect human hair strength and structure.
3 citations
,
December 2013 in “Journal of Dermatology” Scanning electron microscopy revealed four distinct hair root shapes in alopecia areata, suggesting a less invasive diagnostic method.
April 2023 in “Han'gug miyong haghoeji/Journal of the Korean society of cosmetology” Direct heat perms cause more damage to hair than softening heat perms.
June 2026 in “Reports of Morphology” A nutrient-rich diet improved skin and hair health in stressed rats.
December 2022 in “Himi, himijn tehnologijn hùrèèlèngijn èrdèm šinžilgèènij bùtèèl” Hair products with copper and zinc enriched yeast made hair thicker and denser.
Men with benign prostate hyperplasia have more meibomian gland loss and tear film problems.
Gray hair affects hair's movement and appearance, making it less bouncy and more wavy.
1 citations
,
September 2015 in “Pathology - Research and Practice” Stress during pregnancy can thin fetal skin.
1 citations
,
June 1998 in “Journal of Forestry Research” Mammalian hair scales change from smooth to wavy due to friction.
December 2023 in “International Journal of Medical Arts” Transplanted hair follicles show significant changes after FUE, needing more research.
53 citations
,
April 1985 in “Developmental Biology” Fibronectin and other basement membrane components increase during hair growth and decrease during rest.
2 citations
,
September 2025 in “BMC Genomics” Maize root hairs adapt differently to mild and severe cold, with mild stress allowing some growth and severe stress stopping growth to focus on defense.
September 2018 in “Asian journal of pharmacy and pharmacology” Honey has many health benefits and is good for you.
January 2003 in “Zhongguo linchuang jiepouxue zazhi” Human hair keratin may help repair injured spinal cord tissue in rats.
September 2024 in “Heliyon” Repeated hair dyeing significantly damages hair.
8 citations
,
December 2003 in “Materials Research-ibero-american Journal of Materials” Polyquaternium 7® builds up on hair, improving its look and feel, and AFM is good for measuring these changes.
February 2024 in “Medicina” AFM can diagnose hair disorders by revealing detailed hair surface changes.
48 citations
,
August 1981 in “American Journal of Veterinary Research” Glucocorticoid use in dogs quickly causes liver changes and Cushing's syndrome symptoms.
1 citations
,
November 2021 in “American Journal of Clinical Pathology” The conclusion is that certain physical signs in the body can indicate past acute and chronic stress, which may help in child abuse investigations.
25 citations
,
June 2009 in “British Journal of Dermatology” Early scar classification in lupus can improve treatment and patient outcomes.
236 citations
,
July 2001 in “Trends in Molecular Medicine” Future hair loss treatments should aim to extend hair growth, reactivate resting follicles, reverse shrinkage, and possibly create new follicles, with gene therapy showing promise.
4 citations
,
August 1971 in “Pediatric clinics of North America/The Pediatric clinics of North America” Childhood hair and scalp disorders can be managed with treatments like cortisone and corticosteroids.
October 2023 in “Toxicology and Applied Pharmacology” Finasteride is more harmful to male reproductive health than minoxidil.
September 1998 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” Hair changes could indicate neurological diseases and help monitor treatment.
August 2025 in “Галицький медичний вісник” Understanding hair follicle changes and hormones is key to diagnosing and treating hair loss.
January 2001 in “China Surfactant Detergent & Cosmetics” Both conditioners help protect hair from perm damage, but their effectiveness varies.
January 2014 in “Journal of the Korean Society of Design Culture” The study confirmed that changes in hair structure in women with hair loss conditions matched what is taught in beauty college trichology courses.
4 citations
,
August 2023 in “Nature Communications” Mouse zigzag hair bends form due to a 3-day cycle of changes in hair progenitors and their environment.
25 citations
,
May 2019 in “Heliyon” Hair treatments cause significant structural changes, especially with excessive heat, regardless of ethnicity.