23 citations
,
November 1964 in “Journal of Dairy Science” High molybdenum and sulfate sulfur levels can cause health issues in cattle, but adding copper helps.
198 citations
,
October 1986 in “Differentiation” 26 citations
,
January 2011 in “Open Journal of Genetics” The KAP13-3 gene in sheep affects wool quality by influencing keratin assembly.
25 citations
,
April 2019 in “Animals” KRTAP28-1 gene can help breed sheep with finer wool.
2 citations
,
July 1994 in “Journal of Dermatological Science” Grafted human scalp samples on mice can produce human hair, useful for studying hair genetics.
November 2020 in “IntechOpen eBooks” Not getting enough minerals can lead to health problems and shorter lifespans.
Researchers made new compounds that could potentially be developed into anticancer drugs.
10 citations
,
January 1997 in “Dermatology” Two siblings were diagnosed with Trichothiodystrophy, identified by brittle hair and low sulfur content.
26 citations
,
January 1983 in “PubMed” Trichothiodystrophy involves brittle hair due to low sulfur amino acids, not a transport defect.
January 2018 in “ScholarWorks @UVM (University of Vermont)” Selenium in proteins helps prevent over-oxidation and supports chemical reversibility.
January 2008 in “Chinese Journal of Spectroscopy Laboratory” Cysteine formation on hair indicates damage, best detected at pH 4.5.
January 2025 in “Theseus (Ammattikorkeakoulujen)” SpruceSugar™ may help balance scalp oil and improve skin barrier function.
February 1989 in “PubMed” A genetic hair protein variant is more common in Japanese people and is inherited.
5 citations
,
September 2015 in “Medical hypotheses” Topical sulfonylurea may reduce excessive hair growth caused by certain medications.
April 2026 in “Applied Sciences” Succinic acid helps improve skin conditions like acne and rosacea.
10 citations
,
April 2020 in “Journal of surfactants and detergents” Shampoos with sugar-derived surfactants clean hair well and are gentler than those with SLES.
20 citations
,
August 1960 in “PubMed” Selenium sulfide may affect hair root health.
12 citations
,
July 1964 in “Archives of Dermatology” Selenium sulfide shampoo doesn't affect hair growth or rest phases.
1 citations
,
December 2005 in “Journal of Biological Research - Bollettino della Società Italiana di Biologia Sperimentale” Ancient South American mummies' hair shows high sulfur, calcium, and potassium levels.
13 citations
,
October 1960 in “Experimental Biology and Medicine” Selenium-75 stays in dog hair for up to 316 days.
2 citations
,
January 1986 in “PubMed” PIXE is an effective method to analyze hair's elemental composition.
5 citations
,
July 2006 in “Contact dermatitis” Ammonium bisulfite in hair bleach can cause facial eczema.
111 citations
,
August 2002 in “Journal of Medicinal Chemistry” New compounds were made that block an enzyme linked to breast cancer better than existing treatments.
49 citations
,
April 2003 in “Biomaterials” Bismuth subgallate and borneol together improve skin wound healing better than when used separately or compared to other treatments.
98 citations
,
May 2016 in “Genes” Understanding wool keratin-associated proteins in sheep can help improve wool quality through selective breeding.
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.
50 citations
,
March 2001 in “Clinics in dermatology” Human hair is complex and grows in cycles starting from embryonic life.
45 citations
,
January 1977 in “Advances in experimental medicine and biology” Hair follicles have an enzyme that converts arginine to citrulline in proteins.
29 citations
,
September 2017 in “Genes” Selecting specific KRTAP26-1 gene variants can improve wool quality in sheep.
27 citations
,
May 2019 in “Cosmetics” The hair cuticle is made of tough proteins that protect the hair, but more research is needed to fully understand its structure.