November 2025 in “Cosmetics” Rice germ oil improves hair health, but adding ferulic acid offers limited benefits and may worsen chemically damaged hair.
January 2026 in “Preprints.org” Four new FGF5 gene variants cause long hair in dogs.
4 citations
,
August 2011 in “Journal of Food Biochemistry” Zinc binds to milk protein α-casein, forming stable complexes that could help fortify milk with zinc to prevent deficiencies.
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.
45 citations
,
December 2006 in “Biopolymers” Permanent waving weakens hair by altering its protein structure.
17 citations
,
December 2002 in “Biochemical and biophysical research communications” Scientists found out how a specific protein in human hair cuticles behaves and is structured.
April 2020 in “International Journal of Cosmetic Science” The study found that minor protein differences between curved and straight Japanese hair are unlikely to significantly affect hair structure.
3 citations
,
August 2008 in “PubMed” Repeated digital perming with sodium thioglycolate lotion significantly damages hair protein and structure.
June 2023 in “Historical records of Australian science/Historical Records of Australian Science” George Ernest Rogers was a notable scientist who made important discoveries about hair and wool proteins.
124 citations
,
November 2000 in “The journal of investigative dermatology/Journal of investigative dermatology” PAD3 plays a key role in hair and skin protein structure and may be linked to skin diseases.
18 citations
,
January 2018 in “Advances in experimental medicine and biology” Hair keratins evolved from ancient proteins, diversifying through gene changes, crucial for forming claws and later hair in mammals.
October 2025 in “Journal of the Endocrine Society” Hormone Replacement Therapy improves skin health in postmenopausal women by boosting collagen and hydration.
4 citations
,
August 2018 in “Journal of cellular biochemistry” Acid inside cells speeds up aging and turns on aging signs in mice.
61 citations
,
September 2010 in “Genomics” The study found that immune responses disrupt hair growth cycles, causing hair loss in alopecia areata.
58 citations
,
November 2013 in “Journal of Innovative Optical Health Sciences” Multiphoton microscopy is a promising tool for detailed skin imaging and could improve patient care if its challenges are addressed.
30 citations
,
April 2017 in “Journal of structural biology” Human hair keratin fibers have a detailed nano-scale structure that changes with different conditions.
9 citations
,
February 2005 in “The journal of investigative dermatology/Journal of investigative dermatology” The document concludes that the human keratin gene cluster is complex, with a need for updated naming to reflect over 50 functional genes important for hair and skin biology.
91 citations
,
December 2000 in “The journal of cell biology/The Journal of cell biology” Scientists successfully created mouse hair proteins in the lab, which are stable and similar to natural hair.
Hairlessness in mammals is due to complex genetic changes in both genes and regulatory regions.
8 citations
,
June 2023 in “Acta Biochimica et Biophysica Sinica” rRSPO1 protein boosts hair growth by activating a key signaling pathway.
36 citations
,
November 2019 in “Molecular biology and evolution” Cysteine-rich keratins evolved independently in mammals, reptiles, and birds for hard skin structures like hair, claws, and feathers.
23 citations
,
March 2001 in “Clinics in dermatology” Alopecia areata involves immune response and gene changes affecting hair loss.
1 citations
,
December 2024 in “Methods in molecular biology” Hair proteins are complex and provide valuable genetic and biological information.
20 citations
,
November 1968 in “The Lancet” Potassium levels affect blood sugar and insulin during dialysis, and malnutrition changes children's hair roots.
11 citations
,
September 2010 in “American Journal of Medical Genetics - Part A” A Turkish family with sparse hair and eyebrow loss has a mutation in the U2HR gene linked to Marie Unna hereditary hypotrichosis.
Hairless mammals evolved quickly in both gene and non-gene areas related to skin and hair.
4 citations
,
June 2022 in “Cold Spring Harbor Perspectives in Biology” Different types of fibroblasts exist in skin and understanding them can help improve wound healing and treat scars.
30 citations
,
September 2018 in “International Journal of Cosmetic Science” Bleaching hair causes severe structural and chemical damage, including protein loss and oxidation.
8 citations
,
February 2014 in “Stem cells translational medicine” Modified stem cells that overexpress a specific protein can improve hair growth and reduce hair abnormalities in mice.
23 citations
,
June 2012 in “Molecular Biology Reports” VEGF stimulates hair cell growth and increases growth receptor levels through a specific signaling pathway.