5 citations
,
January 2015 in “Current problems in dermatology” The document concludes that a thorough history, physical exam, and specific tests are crucial for diagnosing and managing hair loss effectively.
4 citations
,
November 2009 in “Medical Clinics of North America” Stress, nutritional issues, and chronic diseases can cause hair loss, and nail changes may signal internal diseases; treatment focuses on the underlying cause.
3 citations
,
June 2019 in “Journal of cosmetic dermatology” Lower pH straighteners change hair more but weaken it.
3 citations
,
October 2007 in “Expert Review of Dermatology” Hair ages due to various factors and treatments like minoxidil and finasteride can help, but more research and better public awareness are needed.
1 citations
,
January 2017 in “Springer eBooks” The document explains how hair follicles develop, their structure, and how they grow.
November 2025 in “Quality in Sport” Consistent use of natural methods is key for healthy hair and scalp.
October 2025 in “Dermatology and Therapy” Nutrafol® nutraceuticals improve hair thickness and strength.
Polarized microscopy helps identify hair irregularities in genetic disorders.
November 2023 in “Borneo Journal of Pharmacy” Sappan wood hair tonic helps protect and repair damaged hair.
February 2022 in “Actas dermo-sifiliográficas/Actas dermo-sifiliográficas” Hair shaft disorders, often due to genetics or environment, lack specific treatments but can be managed with gentle hair care and may improve with age or topical treatments.
January 2015 in “Springer eBooks” Hair health is influenced by genetics, aging, and environmental factors, with proper care needed to maintain it.
January 2012 in “International Journal of Trichology” Two siblings have a rare genetic condition causing curly, coarse hair.
47 citations
,
June 1996 in “International Journal of Legal Medicine” Hair analysis for drugs needs a better understanding of how drugs enter hair, considering factors like hair structure and pigmentation.
44 citations
,
August 1990 in “PubMed” Keratins K1 and K10 are found in the inner root sheath and cuticle of human hair follicles.
40 citations
,
February 1990 in “Journal of The American Academy of Dermatology” A 17-year-old developed woolly hair nevus in adolescence, which is unusual, and over time the hair darkened and straightened slightly, but microscopic changes persisted.
36 citations
,
August 2011 in “Journal of dermatological science” Human hair has a protective lipid layer that can be damaged by moisture and treatments, affecting hair growth and health.
33 citations
,
September 2018 in “Frontiers in Microbiology” Human hair shafts inhibit Gram-positive bacteria growth but not Gram-negative bacteria.
28 citations
,
November 2018 in “Journal of structural biology” Different populations have distinct hair structures related to their ancestry.
19 citations
,
January 2009 in “International review of cell and molecular biology” Hair's strength and flexibility come from its protein structure and molecular interactions.
18 citations
,
November 2010 in “Journal of morphology” Antler velvet hair and body hair of red deer have different structures that help with protection and insulation.
17 citations
,
February 2015 in “Experimental Dermatology” Keratins are crucial for hair strength, and mutations in certain keratin genes cause hair disorders.
17 citations
,
June 2011 in “The journal of investigative dermatology/Journal of investigative dermatology” The G60S Connexin43 mutation causes hair growth issues and poor hair quality in mice, similar to human ODDD patients.
13 citations
,
March 2019 in “Journal of cosmetic dermatology” Heat damages hair, with Asian hair losing more protein than Caucasian hair.
8 citations
,
November 2019 in “International Journal of Morphology” Henna dye improves hair cuticle and thickness but effects vary by hair type and health.
5 citations
,
May 2021 in “International Journal of Cosmetic Science” Healthy scalp leads to better hair quality and less damage.
3 citations
,
March 2024 in “Discover Applied Sciences” Spirulina proteins can improve hair smoothness and strength in hair care products.
2 citations
,
May 2012 in “Acta pharmaceutica sinica B” The study found unique microscopic features for hair or feather in five animal ingredients in Shenrongbian pill.
2 citations
,
January 2000 in “Elsevier eBooks” The document explains how hair is studied in forensics to identify its source and its role in criminal investigations.
1 citations
,
July 2019 in “Case reports in dermatology” A Thai boy was diagnosed with a rare hair disorder causing hair thinning and shedding.
December 2025 in “Rapid Communications in Mass Spectrometry” Pepsin digestion improves accuracy in analyzing proteins in human hair.