April 2026 in “Dermatology and Therapy” Experts agree on understanding hair aging to improve diagnosis and treatments.
114 citations
,
January 2016 in “Current topics in developmental biology/Current Topics in Developmental Biology” Frizzled receptors are essential for various body development processes and maintaining certain body functions.
46 citations
,
December 2003 in “Advances in neonatal care” Assessing newborn scalp hair can reveal important health information.
29 citations
,
January 2003 in “Genomics” A new mouse mutation causes skin and hair issues, influenced by another gene.
January 2017 in “프로그램북(구 초록집)” Iron deficiency anemia can cause hair breakage.
52 citations
,
August 1978 in “Journal of Applied Polymer Science” Human hair's ability to get wet is complex and can change with treatments, damage, and environment.
1 citations
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September 2016 in “Brain Behavior and Immunity” Hair cortisol levels can indicate stress and are affected by washing frequency, not cosmetic treatments.
23 citations
,
April 2006 in “Skin Research and Technology” The study concluded that a special imaging technique showed women with hair loss have slower hair growth and a faulty hair replacement cycle.
44 citations
,
October 1990 in “Archives of Dermatological Research” The connective tissue around hair follicles changes structure throughout the hair cycle.
May 2026 in “Zenodo (CERN European Organization for Nuclear Research)” The herbal cream effectively smooths and straightens hair safely.
December 2020 in “Dermatology practical & conceptual” Trichoscopy helped diagnose a teenage girl's hair loss as monilethrix.
January 2024 in “International Journal of Cosmetic Science” A new method using 1,4-n-butylene dimaleate effectively repairs and strengthens damaged hair.
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.
October 2024 in “Cosmetics” Afro-textured hair needs personalized care due to its unique genetic traits.
December 2025 in “Brazilian Journal of Hair Health” The Spiral Model helps understand hair growth changes with age and identify hair problems early.
4 citations
,
January 1976 in “Archives of Dermatological Research” Metabolic disorders can cause hair structure defects and growth issues, but amino acid levels in hair remain normal.
Recognizing bamboo hair helps diagnose Netherton’s syndrome.
A genetic variant in the KRT71 gene may cause loose anagen hair and wooly hair, and symptoms might improve with age.
December 2019 in “C&EN Global Enterprise” Thicker hair isn't always stronger.
9 citations
,
January 1998 in “Studia Anglica Posnaniensia: international review of English Studies” Wound-induced hair growth may help study regeneration and aging, but it's unclear if this ability decreases with age.
21 citations
,
January 2016 in “NeuroImmunoModulation” Hair cortisol levels can indicate stress over the past three months.
January 2017 in “Journal of Cosmetics, Dermatological Sciences and Applications” Chinese women's hair gets thinner and grayer with age, and scalp conditions change, especially after 40.
January 2016 in “Belarusian State Pedagogical University repository (Belarusian State Pedagogical University)” A 6-group geometric classification of human scalp hair is more reliable and objective for testing than an 8-group system.
3 citations
,
April 2015 in “Dermatology practical & conceptual” Postmenopausal women can experience hairline recession, affecting their quality of life, and more research is needed for treatments.
Coconut oil can damage hair by clogging pores, causing frizz, and disrupting moisture balance.
January 2008 in “Chinese Journal of Spectroscopy Laboratory” Cysteine formation on hair indicates damage, best detected at pH 4.5.
13 citations
,
April 1997 in “Biochemical and Biophysical Research Communications” Insulin-dependent diabetes alters hair's molecular structure, making it useful for studying diabetes effects.
February 2025 in “International Journal of Cosmetic Science” Protein carbonylation is a sensitive marker for oxidative damage in hair, especially from light exposure.
4 citations
,
January 1991 in “Dermatology” Hair casts are small structures on hair shafts with unknown causes.
25 citations
,
October 1962 in “Journal of Ultrastructure Research” The hair follicle structure is more complex than thought, with new findings on protein formation.