11 citations
,
January 2016 in “Biointerphases” The hair's outermost surface has multiple layers of lipids and proteins.
10 citations
,
January 2001 in “ACTA HISTOCHEMICA ET CYTOCHEMICA” Lysosomal proteases and cytoplasmic enzymes help hair follicle cells develop and differentiate.
8 citations
,
July 2004 in “Journal of morphology” Marsupial hair structure and keratin distribution are similar to placental mammals.
7 citations
,
December 2011 in “Annals of anatomy” Involucrin helps strengthen the inner parts of human hair.
7 citations
,
November 1997 in “Pediatric Dermatology” Trichothiodystrophy can be linked to urologic issues and high calcium in urine.
5 citations
,
May 2021 in “International Journal of Cosmetic Science” Healthy scalp leads to better hair quality and less damage.
5 citations
,
July 2010 in “Journal of life sciences” Gray hair has more continuous medullation and a higher medullary diameter than black hair.
4 citations
,
April 2018 in “The journal of pediatrics/The Journal of pediatrics” A 6-year-old girl's inability to grow her hair long was due to Loose Anagen Hair Syndrome, which causes hair to shed easily and may improve with age.
4 citations
,
January 2017 in “Biological & pharmaceutical bulletin” Inhibiting ALOX12 can help hair cuticle maturation by increasing S100A3 citrullination.
4 citations
,
May 2014 in “Pharmaceutical Biology” Glycyrrhizic acid from sweet licorice can effectively remove hair without skin irritation.
4 citations
,
January 2000 Piedraia hortae fungi dissolve both the outer and inner layers of hair.
4 citations
,
January 1976 in “Archives of Dermatological Research” Metabolic disorders can cause hair structure defects and growth issues, but amino acid levels in hair remain normal.
2 citations
,
November 2017 in “Histochemistry and Cell Biology” Polyamines are abundant in certain parts of rat hair follicles and may play a key role in hair growth.
2 citations
,
February 2016 in “Journal of sol-gel science and technology” A small molecule can strengthen fine hair, making it more resistant and natural-feeling.
2 citations
,
May 2012 in “Acta pharmaceutica sinica B” The study found unique microscopic features for hair or feather in five animal ingredients in Shenrongbian pill.
2 citations
,
January 2004 in “PubMed” Conditioners with PQ-10 soften the flat part of hair cuticles but harden the edges.
1 citations
,
July 2024 in “International Journal of Cosmetic Science” Infrared techniques reveal glycogen, unsaturated lipids, and calcium compounds in hair.
1 citations
,
July 2019 in “Microscopy Today” Microfluorometry effectively measures how much polymer coats and penetrates hair, useful for evaluating hair products.
1 citations
,
July 2017 in “Microscopy and Microanalysis” Iron oxide nanoparticles mainly enter the skin through hair follicles and sebocytes, not the dermis.
March 2026 in “Journal of the mechanical behavior of biomedical materials/Journal of mechanical behavior of biomedical materials” Hair cuticles remain stable and resilient under stress due to strong protein content and crosslinking.
June 2025 in “Current Issues in Molecular Biology” Minoxidil, caffeine, and biotin can improve hair shine by restoring certain genes.
November 2024 in “Journal of Cosmetic Dermatology” MSC exosome therapy improved hair quality in patients with acquired trichorrhexis nodosa.
October 2024 in “UNESP Institutional Repository (São Paulo State University)” Straightening and dyeing damage hair structure.
April 2024 in “Advances in Redox Research” Human hair strength and health are linked to sulfur compounds that can be reduced by stress but improved with sulfur supplements.
August 2021 in “Han'gug miyong haghoeji/Journal of the Korean society of cosmetology” Using natural polyphenol cross-linkers like tannic acid and green tea extract in perm treatments improves curling and protects hair.
Loose anagen syndrome causes easy hair shedding in children, often resolving on its own.
April 2018 in “bioRxiv (Cold Spring Harbor Laboratory)” A gene variant causes patched hair loss in mice, similar to alopecia areata in humans.
September 2017 in “Journal of Investigative Dermatology” Hair care products used for 4 weeks made hair smoother.
April 2007 in “Linchuang pifuke zazhi” TGF-β1 and 2 may play a role in hair loss in AGA.
TGF-β1 and 2 in hair follicles may be linked to hair loss in AGA.