9 citations
,
February 2001 in “Journal of Dermatological Science” p21waf1/cip1 and p27kip1 help in hair follicle differentiation in rats.
5 citations
,
January 1990 in “Journal of Society of Cosmetic Chemists of Japan” Permanent wave lotion can extract proteins from hair, especially when pH is higher, and repeated treatments or bleaching can damage hair.
5 citations
,
January 1981 Keratin proteins in hair are complex and come from multiple gene families.
2 citations
,
September 1996 in “Journal of Applied Polymer Science” Potassium cyanide changes hair's disulfide bonds to monosulfide, affecting high-sulfur proteins more.
2 citations
,
July 1994 in “Journal of Dermatological Science” Grafted human scalp samples on mice can produce human hair, useful for studying hair genetics.
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.
January 2011 in “대한피부과학회지” A 7-year-old girl was diagnosed with trichothiodystrophy due to low sulfur levels in her hair.
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.
67 citations
,
December 1990 in “The journal of cell biology/The Journal of cell biology” Researchers found genes for cysteine-rich proteins that form the protective layer of hair in humans and sheep.
34 citations
,
September 2007 in “Experimental Dermatology” The outer layer of Merino wool is rich in sulfur proteins, making it resistant to damage.
4 citations
,
January 2015 in “Journal of microbial & biochemical technology” Biotin helps regulate proteins in the blood, which may explain its role in hair growth.
Culturing hair follicles at the air-liquid interface with minoxidil significantly boosts hair growth and preserves the root sheath.
20 citations
,
November 2019 in “International Journal of Environmental Research and Public Health” Breathing in high levels of certain air pollutants significantly increases women's risk of developing Polycystic Ovary Syndrome.
7 citations
,
November 1997 in “Pediatric Dermatology” Trichothiodystrophy can be linked to urologic issues and high calcium in urine.
27 citations
,
April 2004 in “Biochemical and Biophysical Research Communications” Two new gene clusters important for hair formation were found on human chromosome 11.
1 citations
,
May 2004 in “Biochemical and Biophysical Research Communications” Two new gene clusters important for hair formation were found on human chromosome 11.
4 citations
,
January 2009 in “Eclética Química” Scientists developed a cheaper, but slower, method to measure minoxidil in hair loss treatments with high accuracy.
94 citations
,
January 2007 in “Cutaneous and Ocular Toxicology” Iranian veterans exposed to sulfur mustard suffer from long-term skin itching and eye damage, with some risk of skin cancer and ongoing management challenges.
14 citations
,
November 2015 in “Annals of the New York Academy of Sciences” Changing the diet of mice lacking the enzyme CBS can affect symptoms related to the genetic condition.
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.
10 citations
,
December 2001 in “PubMed” The conclusion is that substances can penetrate hair fibers through multiple pathways, including both the cell membrane complex and the non-keratinous parts.
Copper levels in green hair decreased significantly after treatment.
11 citations
,
January 1997 in “Journal of Dermatological Science” A new protein linked to hair strength was identified, aiding in understanding brittle hair conditions.
January 2020 in “한국미용학회지” Musa extracts protect hair from damage during chemical treatments.
13 citations
,
March 2010 in “International Journal of Cosmetic Science” Hair coloring increases copper and calcium uptake, damaging hair and reducing shine.
4 citations
,
February 2007 in “Journal of the European Academy of Dermatology and Venereology” The study suggests silicon might be important for healthy hair, as less silicon was found in people with hair loss.
3 citations
,
January 2009 in “Eclética Química” A simple and quick method was found to measure minoxidil in drugs accurately.
February 2026 in “Journal of the Korean Society of Cosmetology” Silicone oil viscosity affects hair curling and damage during treatments.
December 2009 in “Eclética Química” A simple and fast method accurately measures minoxidil in pharmaceuticals.
January 2023 in “Italian journal of dermatology and venereology” The supplement effectively improved hair growth and reduced hair loss safely.