May 2026 in “Scientific Reports” Overexpression of LRIG3 in skin causes hair loss.
January 2026 in “Nanoscale Advances” Microneedles combined with light therapy can improve skin disease diagnosis and treatment.
July 2025 in “Communications Biology” Rat vibrissae structure relates to their sensory function.
May 2024 in “Plant and Soil” Root hairs in maize grow mainly in air-filled pores, limiting their role in nutrient uptake and plant anchorage.
February 2024 in “International Journal For Multidisciplinary Research” Nanostructured lipid carriers are effective for treating hyperpigmentation in women aged 30-40.
January 2023 in “Book of Abstracts” COVID-19 can cause different types of hair loss, with telogen effluvium being the most common.
46 citations
,
November 1963 in “Journal of Histochemistry & Cytochemistry” Arginine converts to citrulline in hair follicles as proteins harden.
Polydopamine is promising for personalized medicine and biomedical technology due to its strong adhesion and biocompatibility.
November 2012 in “Journal of Clinical Pathology” 19 citations
,
March 2016 in “Frontiers in Plant Science” Spermidine is essential for plant growth and adaptation to stress.
May 2024 in “Brain disorders” Agmatine may help reduce seizures linked to hormone changes in female rats.
1 citations
,
December 2011 in “EFSA Journal” Spermidine may help extend the growth phase of hair.
May 2024 in “Nano letters” Polydopamine and quercetin together can speed up hair regrowth.
September 2025 in “Science Advances” PADI4 enzyme slows down cell growth in developing hair follicles.
12 citations
,
July 2017 in “International Journal of Cosmetic Science” N‐AOHPA is a promising alternative to traditional surfactants for better hair conditioning.
5 citations
,
January 2004 in “Journal of applied polymer science” Urea helps hair dye penetrate better and last longer.
63 citations
,
February 2017 in “ACS biomaterials science & engineering” Polydopamine is a safe, effective, and permanent hair dye that turns gray hair black in one hour.
17 citations
,
August 2007 in “Bioorganic & Medicinal Chemistry Letters” A compound made by Pfizer can potentially stimulate hair growth and reduce oil production, making it a good candidate for topical use.
125 citations
,
February 1971 in “Biochemistry” Specific cross-linkages help make hair proteins stable and strong.
5 citations
,
October 2007 in “PubMed” Amino acids in conditioners improve hair strength, hydration, and color retention.
Androgens increase norepinephrine release, promoting smooth muscle growth in male sex organs, which may contribute to benign prostatic hypertrophy.
2 citations
,
October 2023 in “Philosophical transactions - Royal Society. Biological sciences” Enzymes that change arginine to citrulline are important for skin barrier and hair formation, and their malfunction can lead to skin conditions and hair disorders.
1 citations
,
January 1996 Cysteine and arginine are essential for hair growth and thickness.
3 citations
,
April 2015 in “Current problems in dermatology” A more sensitive assay was developed to detect enzyme activity converting arginine to citrulline in hair follicles.
4 citations
,
December 2014 in “European Journal of Chemistry” Iron chloride helps create compounds that could be useful in medicine, like treating hair loss.
45 citations
,
January 1977 in “Advances in experimental medicine and biology” Hair follicles have an enzyme that converts arginine to citrulline in proteins.
1 citations
,
January 1998 in “Cosmetics and toiletries” Both amodimethicone and dimethicone copolyol amine are effective hair conditioners.
62 citations
,
December 2007 in “Journal of biological chemistry/The Journal of biological chemistry” A specific chemical change in the S100A3 protein leads to the formation of a four-part structure important for hair formation.
1 citations
,
January 1971 in “Acta dermato-venereologica” Mice hair follicles take in the amino acid cystine.
November 2025 in “Advanced Science” A new nanozyme using EGCG and L-arginine boosts hair growth by safely increasing beneficial oxidative stress.