March 2026 in “Journal of the mechanical behavior of biomedical materials/Journal of mechanical behavior of biomedical materials” Hair cuticles remain stable and resilient under stress due to strong protein content and crosslinking.
August 2025 in “Aesthetic Cosmetology and Medicine” Blue light can damage hair and scalp, leading to hair loss.
October 2024 in “Frontiers in Neurology” Interventional embolization is effective for treating scalp arteriovenous fistula but can cause complications like swelling and hair loss.
February 2023 in “Vaccines” COVID-19 may harm male reproductive health and lower testosterone levels, potentially affecting fertility and causing erectile dysfunction. More research is needed.
July 2011 in “Microscopy and microanalysis” Human hair's structure makes it tough and resistant to breaking.
Acidic sandy clay damages archaeological hair the most, while dry conditions preserve but make it brittle; silicone oil can help keep the hair flexible.
Hairlessness in mammals is due to complex genetic changes in both genes and regulatory regions.
September 2021 in “Morphologia” Dermal fibroblasts have at least three distinct types, each with unique roles in skin structure and hair development.
36 citations
,
September 1999 in “Toxicologic pathology” Stronger corticosteroids cause more skin damage in hairless dogs, similar to effects in humans.
263 citations
,
February 2020 in “International journal of molecular sciences” ADSCs help in wound healing and skin regeneration but need more research for full understanding.
218 citations
,
April 2008 in “Genes & Development” Skin stem cells help repair damage and maintain healthy skin.
53 citations
,
January 2013 in “Journal of toxicologic pathology” The project created a standardized system for classifying skin lesions in lab rats and mice.
26 citations
,
January 2018 in “Skin appendage disorders” Thallium, mercury, selenium, and colchicine strongly cause hair loss.
22 citations
,
February 2023 in “Heliyon” The hydrogel significantly speeds up wound healing and supports skin cell growth.
20 citations
,
August 2005 in “The Journal of laboratory and clinical medicine” Mice with damaged skin or hair follicles are more susceptible to anthrax infection.
12 citations
,
January 2023 in “Indian Dermatology Online Journal” Diagnosing and managing children's hair shaft disorders is challenging but essential.
5 citations
,
January 2021 in “BioMed Research International” Noncrosslinked hyaluronic acid helps human hair cells grow and could be a potential hair loss treatment.
April 2018 in “The journal of investigative dermatology/Journal of investigative dermatology” Electrical epilation damages hair follicles and surrounding skin, likely preventing hair regrowth.
March 2015 in “Zagazig University Medical Journal” Damage to hair follicle stem cells may cause permanent hair loss and scarring in PCA.
A genetic variant in the KRT71 gene may cause loose anagen hair and wooly hair, and symptoms might improve with age.
August 2013 in “Nature Reviews Drug Discovery” A protein called FGF9 helps regenerate hair follicles in mice after skin damage, and increasing FGF9 could potentially help human hair growth.
89 citations
,
April 2023 in “Forensic Science International Genetics” Forensic DNA Phenotyping can now better predict appearance, ancestry, and age from DNA, but more research is needed for precise police use.
January 2026 in “Preprints.org” Four new FGF5 gene variants cause long hair in dogs.
108 citations
,
January 2003 in “Journal of Cosmetic Dermatology” Wrinkles form due to structural skin changes and vary in type and treatment response.
May 2025 in “The Journal of Rheumatology” Antiphospholipid syndrome can severely damage adrenal glands, requiring early diagnosis and treatment.
517 citations
,
February 2010 in “Materials” Keratin from hair and wool is used in medical materials for healing and drug delivery.
35 citations
,
February 2006 in “Textile Research Journal” Enzymes xylanase and pectinase clean wool and specialty hair fibers effectively without damage, offering an eco-friendly alternative to soap and hot water.
30 citations
,
May 2019 in “Scientific Reports” Late pregnancy helps repair brain damage in rats due to the GABAergic system.
28 citations
,
November 2018 in “Journal of structural biology” Different populations have distinct hair structures related to their ancestry.
28 citations
,
December 2011 in “Biocatalysis and biotransformation” PDI helps restore over-bleached hair's strength and structure by attaching special peptides.