January 2018 in “대한미용학회지” White hair is denser and more hydrophobic than black hair.
January 1996 in “Human Ecology Forum” Selenium is important for health but must be consumed in the right amount to avoid health issues.
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.
January 2025 in “Theseus (Ammattikorkeakoulujen)” SpruceSugar™ may help balance scalp oil and improve skin barrier function.
75 citations
,
March 2007 in “Journal of Biological Chemistry” QSOX enzymes help form protein bonds in cells, especially in tissues with high secretory activity.
9 citations
,
March 1993 in “Biochemical Pharmacology” Rat skin can convert minoxidil into its active form, aiding hair growth.
5 citations
,
July 2006 in “Contact dermatitis” Ammonium bisulfite in hair bleach can cause facial eczema.
January 2018 in “ScholarWorks @UVM (University of Vermont)” Selenium in proteins helps prevent over-oxidation and supports chemical reversibility.
2 citations
,
January 1986 in “PubMed” PIXE is an effective method to analyze hair's elemental composition.
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.
5 citations
,
September 2015 in “Medical hypotheses” Topical sulfonylurea may reduce excessive hair growth caused by certain medications.
32 citations
,
January 1966 in “Archives of Dermatology” The method accurately measures hair growth with minimal risk and is better than other techniques.
February 1989 in “PubMed” A genetic hair protein variant is more common in Japanese people and is inherited.
11 citations
,
January 1989 Two patients had a unique form of trichothiodystrophy with reduced high-sulfur proteins in their hair.
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.
24 citations
,
October 2019 in “Genes” A new sheep gene, KRTAP36-1, may help breed sheep with better wool by reducing prickle factor.
22 citations
,
January 2006 in “Journal of Structural Biology” Hair follicles form hard α-keratin filaments in four steps, showing structural differences.
11 citations
,
July 2021 in “Genetics selection evolution” Researchers found genes and genetic variants linked to sheep wool and skin wrinkles.
9 citations
,
November 2024 in “Biotechnology for Sustainable Materials” Keratin-based biomaterials are promising for wound healing, drug delivery, and nerve regeneration due to their biodegradability and biocompatibility.
9 citations
,
January 2010 in “Biological and medical physics series” The book was the first to focus on the biophysical properties of hair.
8 citations
,
March 2004 in “Mammalian genome” KAP genes are crucial for hair development and show both shared and unique traits in humans, chimpanzees, and baboons.
7 citations
,
July 2019 in “Animals” The KRTAP21-1 gene affects wool yield and can help improve wool production.
7 citations
,
May 1979 in “Medical & biological engineering & computing” The trichometer accurately measures hair growth and is easy to use.
6 citations
,
April 2005 in “Journal of dermatological science” The study found nine new hair protein genes in human hair follicles.
5 citations
,
January 2024 in “Crystals” The salts have diverse molecular packing with significant hydrogen interactions.