35 citations
,
January 2001 in “Journal of Animal Science” High dietary selenium, especially inorganic, causes weight loss and selenosis in pigs, with effects varying by hair color.
20 citations
,
June 2012 in “British Journal of Dermatology” Bleaching hair damages protein structure, especially keratin, leading to weakened hair.
70 citations
,
February 2009 in “Biological Trace Element Research” 23 citations
,
April 2003 in “Journal of Structural Biology” Keratin structure changes during keratinization, but the exact model remains uncertain.
July 1993 in “学術講演梗概集. A, 材料施工,防火,海洋,情報システム技術” Evaluate prolactin levels with androgen and thyroid tests to rule out endocrine issues in patients with SAHA syndrome symptoms.
35 citations
,
September 1972 in “Journal of Biological Chemistry” Steroid hormone binding in rat skin varies with pH, heat, and hair cycle phases.
8 citations
,
July 2022 in “Metabolites” Higher uric acid levels are linked to fewer urinary symptoms in healthy Korean men.
May 2024 in “Lithuanian University of Health Sciences” Many patients with hidradenitis suppurativa also have severe acne and pilonidal cysts, often linked to other health problems.
December 2025 in “Journal of Food Innovation, Nutrition, and Environmental Sciences” Solar drying preserves chlorophyll and phytochemicals in Chaya leaves better than sun drying.
September 2022 in “bioRxiv (Cold Spring Harbor Laboratory)” A new staining method shows a special area in the hair's skin layer with lots of proteoglycans.
50 citations
,
October 2007 in “Archives of Dermatological Research” 1 citations
,
February 2025 in “International Journal For Multidisciplinary Research” A new accurate method was developed to measure Minoxidil and Aminexil in solutions.
October 2021 in “Interfaces Científicas” Nutricosmetics for hair treatment often contain biotin, pyridoxine, zinc, and other nutrients, but more research and professional guidance are needed for their use.
63 citations
,
December 1998 in “Biochimica et Biophysica Acta (BBA) - Protein Structure and Molecular Enzymology” The study improved understanding of keratin fiber structure by showing consistent microfibril diameter but varying distances and electron density profiles.
December 2020 in “Journal of Skin and Sexually Transmitted Diseases” No strong link between testosterone or DHEAS levels and acne or hair loss in females.
5 citations
,
January 1976 in “Acta Dermato Venereologica” Sodium and potassium levels in Egyptian scalp hair differ by sex and can aid in legal cases.
42 citations
,
July 2014 in “Journal of biological chemistry/The Journal of biological chemistry” Heparan sulfate is important for hair growth, preventing new hair formation in mature skin, and controlling oil gland development.
7 citations
,
April 2022 in “Journal of pharmaceutical and biomedical analysis” The method can measure multiple steroids in human hair to study long-term steroid metabolism, especially in newborns and children.
December 2025 in “Drug Testing and Analysis” Hair testing is crucial for forensic science and public health.
January 2002 in “China Surfactant Detergent & Cosmetics” Shampoo D is best for fixing perm-damaged hair.
January 2026 in “International journal of research and scientific innovation” A natural hair cream with 15% extract is stable, effective, and better for hair and scalp than synthetic creams.
66 citations
,
September 1982 in “Biochemical Pharmacology” Liver enzyme helps minoxidil work better for blood vessel relaxation.
7 citations
,
June 2019 in “Coloration Technology” Translucent keratin films are better for testing hair dyes.
8 citations
,
July 2018 in “Analytical sciences” Using 5-butylpicolinate esters improves the sensitivity and reliability of detecting testosterone and dihydrotestosterone in saliva.
4 citations
,
June 1990 in “PubMed” Hair protein differences help identify species and individuals in forensic science.
December 2021 in “Skin appendage disorders” A reliable severity score for female pattern hair loss was developed and validated.
July 2024 in “Journal of Investigative Dermatology” Sex and race affect immune responses and treatment outcomes in Hidradenitis suppurativa.
7 citations
,
September 2024 in “Applied Microbiology and Biotechnology” Malassezia furfur lipids improve skin health at pH 6.
6 citations
,
January 2016 in “Pediatrics international” Japanese infants fed hydrolysate formula may have low biotin levels.