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.
14 citations
,
January 2009 in “Experimental Dermatology” Hair sheds gradually from the follicle, with readiness to shed indicated by less attachment material.
94 citations
,
February 1994 in “The journal of investigative dermatology/Journal of investigative dermatology” EGF makes hair follicles grow longer but stops hair production.
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.
April 2000 in “Chinese Journal of Dermatology” Epidermal growth factor (EGF) boosts hair follicle growth and speeds up hair cycle transition.
9 citations
,
October 2012 in “PubMed” Most women in the study lost hair due to stress, fever, childbirth, surgery, or thyroid issues, with low hemoglobin levels also common.
40 citations
,
May 2012 in “British Journal of Dermatology” Recognizing specific features of African-American hair can help diagnose hair loss conditions.
January 2024 in “International Journal of Trichology” Hair root dermoscopy is a simple, noninvasive tool to diagnose telogen effluvium.
January 1995 in “Skin Cancer” The outer root sheath in hair follicles changes during growth, with different keratinization processes in its layers.
59 citations
,
August 1981 in “PubMed” Trichilemmal keratinization is a unique process in hair follicles where the outer root sheath turns into keratin without a specific layer.
January 2007 in “한국미용학회지” People with hair loss have smaller hair roots and less fat tissue.
January 2007 in “한국미용학회지” Women without alopecia have more fat tissues and longer hair roots than those with alopecia.
4 citations
,
March 2019 in “Experimental Biology and Medicine” Exposure to 50 Hz electromagnetic fields may help mice grow hair faster.
17 citations
,
November 1967 in “American Journal of Anatomy” Hairless mice have longer hair follicles and abnormal structures during the catagen phase.
6 citations
,
May 1987 in “Acta dermato-venereologica” Syphilis patients showed abnormal hair root changes, with no difference between primary and secondary stages.
12 citations
,
July 2016 in “Forensic science international” The research found that postmortem root bands in hair are likely caused by the breakdown of a specific part of the hair's inner structure after death.
4 citations
,
October 2018 in “Experimental Dermatology” Dermoscopy shows that diffuse alopecia areata progresses through specific hair growth stages.
26 citations
,
December 2011 in “Journal of Investigative Dermatology” New gene identification techniques have improved the understanding and classification of inherited hair disorders.
60 citations
,
April 2018 in “Clinical, cosmetic and investigational dermatology” Tight hairstyles and chemical relaxers can cause hair loss known as traction alopecia.
May 2009 in “The American Journal of Dermatopathology” Mast cells play a significant role in hair loss conditions like male pattern hair loss and alopecia areata.
35 citations
,
March 2007 in “Skin Research and Technology” The conclusion is that exogen is a unique hair cycle phase and the new sampling method specifically targets this stage, which may help in future hair loss research.
2 citations
,
June 1980 in “International Journal of Dermatology” Scalp biopsies are important for diagnosing hair loss conditions.
375 citations
,
February 2006 in “Journal of Cell Science” The document concludes that the hair cycle is a complex process involving growth, regression, and rest phases, regulated by various molecular signals.
103 citations
,
January 2006 in “Journal of Cell Science” The document concludes that the hair cycle is a complex process involving growth, regression, and rest phases, regulated by various molecular signals.
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.
17 citations
,
August 1979 in “Journal of The American Academy of Dermatology” A new staining method helps tell growing from resting hairs to diagnose hair loss.
146 citations
,
May 2002 in “The American journal of pathology” Cathepsin L is essential for normal hair growth and development.
56 citations
,
January 2001 in “Dermatology” Teloptosis is a key point in hair loss that could help in creating prevention-focused hair care strategies.
314 citations
,
April 2010 in “Developmental Cell” β-catenin in the dermal papilla is crucial for normal hair growth and repair.
90 citations
,
June 2006 in “The American Journal of Dermatopathology” The document concludes that accurate diagnosis of different types of hair loss requires careful examination of hair and scalp tissue, considering both clinical and microscopic features.