50 citations
,
March 1992 in “PubMed” Malnutrition causes skin changes due to nutrient deficiencies.
48 citations
,
February 2008 in “Nutrition in Clinical Practice” Dietary changes, including weight loss and a balanced diet, are important for managing PCOS, especially in overweight women.
45 citations
,
August 2018 in “Stem Cells International” Stem cells, especially from fat tissue and Wharton's jelly, can potentially regenerate hair follicles and treat hair loss, but more research is needed to perfect the treatment.
44 citations
,
January 2020 in “Obesity Surgery” Hair loss after bariatric surgery is often due to iron and protein deficiencies.
44 citations
,
August 1990 in “PubMed” Keratins K1 and K10 are found in the inner root sheath and cuticle of human hair follicles.
42 citations
,
January 2011 in “Journal of Biomedical Optics” Infrared and Raman imaging can non-destructively analyze hair structure and help diagnose hair conditions.
42 citations
,
September 1985 in “British Journal of Dermatology” Trichothiodystrophy causes abnormal protein deposits and distortion in hair follicles.
38 citations
,
March 1997 in “Journal of interferon & cytokine research” IL-1β inhibits human hair follicle growth.
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.
37 citations
,
December 2020 in “PLANT PHYSIOLOGY” A mutant FERONIA gene affects root hair growth at high temperatures.
37 citations
,
January 2002 in “British journal of dermatology/British journal of dermatology, Supplement” Apple extract called procyanidin B-2 was found to greatly increase hair growth.
35 citations
,
January 2017 in “Journal of Dermatological Science” Stress can cause early aging in certain skin cells, leading to problems with hair growth.
33 citations
,
July 2007 in “Skin research and technology” Thicker hair is stronger, regardless of age, gender, or other factors.
32 citations
,
December 1969 in “The Lancet” Children with marasmus have more resting hair follicles and thinner, less pigmented hair, showing long-term malnutrition.
32 citations
,
February 2018 in “Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy” Cosmetic residues on individual hairs can be identified and differentiated using ATR FT-IR microspectroscopy.
31 citations
,
March 2010 in “Molecular Endocrinology” Androgens like testosterone increase colon muscle contractions by affecting calcium pathways.
31 citations
,
January 2007 in “Journal of biological chemistry/The Journal of biological chemistry” Stress activates a special function of the Vitamin D receptor with the help of c-Jun, which can also prevent cell death.
30 citations
,
May 2020 in “Forensic Science International Genetics” The method improved hair analysis for better forensic identification.
30 citations
,
September 2018 in “International Journal of Cosmetic Science” Bleaching hair causes severe structural and chemical damage, including protein loss and oxidation.
30 citations
,
April 2017 in “Journal of structural biology” Human hair keratin fibers have a detailed nano-scale structure that changes with different conditions.
30 citations
,
April 2009 in “Mycoses” Microsporum gypseum fungus breaks down keratin in hair by digesting it enzymatically, starting with less keratinized parts.
30 citations
,
January 2009 in “The scientific world journal/TheScientificWorldjournal” Hair is hard to dissolve because of its complex proteins, but certain solvents that break specific bonds and hydrate can do it.
30 citations
,
July 2000 in “PubMed” Hair has unevenly distributed proteins and lipids, with lipids mainly in the cuticle and proteins in the cortex and medulla.
29 citations
,
August 2011 in “PubMed” Hair and nail proteins, mainly keratins, are crucial for structure and can indicate health issues.
29 citations
,
August 2011 in “PubMed” Polymeric pretreatments can significantly reduce hair breakage and damage from hot flat irons.
29 citations
,
January 2009 in “Gynecological Endocrinology” Women with PCOS have higher levels of certain blood clotting factors, suggesting a greater risk of cardiovascular issues.
29 citations
,
May 1986 in “Journal of Steroid Biochemistry” Androgens don't directly affect hair cell growth or protein production.
28 citations
,
October 1985 in “The Journal of Cell Biology” Researchers isolated and identified structural components of human hair follicles, providing a model for studying hair formation.
27 citations
,
September 2015 in “Drug Design Development and Therapy” Collagenase IV is crucial for hair growth by affecting key growth factors.
26 citations
,
December 2020 in “Nature metabolism” Rapamycin treatment helps with mitochondrial disease by reducing PKC levels.