Polyglutamic acid is a valuable, sustainable ingredient for skincare and haircare products.
1 citations
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May 2013 in “PubMed” Glycylglycine makes hair softer by improving alignment and changing hair's internal properties.
12 citations
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January 1994 in “Dermatology” The patient's hair had unique damage and a lower sulfur-to-nitrogen ratio compared to relatives, but not compared to healthy controls.
June 2002 in “Dermatologic Surgery” Chinese scalps have fewer hair clusters than Caucasians, and transplanting 30 clusters per square centimeter creates a natural-looking hairline for bald Chinese individuals.
April 2012 in “Development” Rac1 is crucial for normal hair structure and pigmentation.
December 2025 in “Brazilian Journal of Hair Health” The Spiral Model helps understand hair growth changes with age and identify hair problems early.
July 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair growth cycles need varied signals in space and time.
29 citations
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December 2016 in “The EMBO Journal” Gata6 is important for protecting hair growth cells from DNA damage and keeping normal hair growth.
2 citations
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September 2017 in “Plastic and Aesthetic Research” Healthy Han Chinese have lower hair density than whites and Africans, and transplanting 300 hair units can nearly restore normal hair density.
November 2024 in “Journal of Investigative Dermatology” The research aims to better understand hair follicle regulation and find new treatments for hair loss.
1 citations
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August 2025 in “Journal of Investigative Dermatology” Genetic studies on hair traits can improve understanding of health and disease.
9 citations
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January 2021 in “Biomolecules” Infrared spectral imaging can map hair growth proteins and sugars without staining.
158 citations
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January 2003 in “Journal of Forensic Sciences” Hair testing can detect a single GHB exposure, useful for documenting sexual assault.
February 2023 in “International journal of molecular sciences” Infrared spectral imaging can effectively study protein distribution in hair follicles during hair growth.
89 citations
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October 2003 in “Biology of the Cell” Galectin-1 helps in RNA processing in cell nuclei.
11 citations
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October 2021 in “Carbohydrate Polymers” Ginkgo biloba polysaccharides may reduce inflammation and promote hair growth in mice with hair loss.
28 citations
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July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology”
7 citations
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July 2019 in “International Journal of Molecular Sciences” PGA-4HGF may help treat hair loss by activating hair growth pathways and extending the hair growth phase.
9 citations
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March 2015 in “Journal of Microbiology and Biotechnology” Ultra-high molecular weight poly-γ-glutamic acid may help promote hair growth.
12 citations
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November 2014 in “PLOS Computational Biology” The study concluded that hair growth in mice is regulated by a stable interaction between skin cell types, and disrupting this can cause hair loss.
GPC1 is important for hair growth by helping blood vessels form around hair follicles.
5 citations
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June 2016 in “Twin research and human genetics” Hair diameter and curvature are mostly determined by genetics.
Researchers created a new mouse model, G4, that mimics human PCOS symptoms and links the condition to a specific gene.
11 citations
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October 2007 in “Journal of Investigative Dermatology” Mutations in the Sgk3 gene cause fuzzy hair in mice.
171 citations
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June 2004 in “Journal of Investigative Dermatology” GLI2 activates GLI1, promoting skin tumor growth and hair development.
17 citations
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April 2023 in “Aging” CNGA3, GLUD1, and SIRT1 are promising targets for treating aging and glioblastoma.
3 citations
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March 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” Neurospectrum effectively analyzes neural signals to predict and identify brain activity patterns better than traditional methods.
6 citations
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February 1989 in “PubMed” Hair glycation can indicate long-term blood sugar levels and diabetic nerve issues.
5 citations
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October 1988 in “Diabetes Research and Clinical Practice” Hair glycation can indicate long-term blood sugar trends in diabetics.
13 citations
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October 2008 in “PubMed” Japanese women's curved hair has an uneven internal structure and varying amino acid composition.