Polyglutamic acid is a valuable, sustainable ingredient for skincare and haircare products.
March 2017 in “Trichology and cosmetology:” Cosmetic procedures can improve skin appearance and boost confidence.
September 2017 in “Journal of Investigative Dermatology” Aging causes sweat glands to shrink and move upward, leading to less elastic skin and more wrinkles.
September 2017 in “Journal of Investigative Dermatology” The research concluded that hyaluronic acid affects the formation and growth of hair follicle-like structures in a lab setting.
September 2017 in “Journal of Investigative Dermatology” Blue light helps hair growth by affecting specific proteins in hair follicle cells.
September 2017 in “Journal of Investigative Dermatology” BMPs are crucial for hair growth and their decrease by androgens leads to hair loss.
31 citations
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April 2016 in “Nature communications” Certain signals are important for reducing specific chemical markers on hair follicle stem cells during rest periods, which is necessary for healthy hair growth.
2 citations
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January 2020 in “Methods in molecular biology” Scientists created early-stage hair follicles from human skin cells, which could help treat baldness and study hair growth.
73 citations
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March 2009 in “Seminars in Cutaneous Medicine and Surgery” The document concludes that accurate diagnosis of hair disorders is crucial and requires a range of diagnostic methods.
44 citations
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April 2003 in “European journal of pharmaceutical sciences” Lipophilic dyes accumulate more in hair follicles when delivered with surfactant-propylene glycol solutions.
December 2025 in “Aesthetic Plastic Surgery” The new near-infrared LED device improves skin and hair with no side effects.
January 2019 in “Proceedings for Annual Meeting of The Japanese Pharmacological Society” Nε-(carboxymethyl) lysine delays hair growth by blocking a key protein.
127 citations
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December 2005 in “Experimental Dermatology” Stress can stop hair growth in mice, and treatments can reverse this effect.
66 citations
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July 2007 in “Journal of Molecular Medicine” Stress increases certain chemicals in the skin and nerves, which might worsen skin conditions.
165 citations
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June 2007 in “European Journal of Cell Biology” Hair follicle stem cells are key for hair and skin regeneration, can be reprogrammed, and have potential therapeutic uses, but also carry a risk of cancer.
135 citations
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December 2013 in “Seminars in Cell & Developmental Biology” Stem cells in the hair follicle are regulated by their surrounding environment, which is important for hair growth.
134 citations
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January 2010 in “Biomedical research” Low oxygen conditions increase the hair-growing effects of substances from fat-derived stem cells by boosting growth factor release.
81 citations
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December 2009 in “Journal of Dermatological Science” Fat tissue stem cells may help increase hair growth.
71 citations
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January 2019 in “International journal of biological sciences” Exosomes from dermal papilla cells help hair growth by making hair follicle stem cells multiply and change.
57 citations
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February 2013 in “Journal of Dermatological Science” Improving the environment and cell interactions is key for creating human hair in the lab.
43 citations
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August 2018 in “Cell Stem Cell” Hoxc genes control hair growth through Wnt signaling.
33 citations
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December 2004 in “Differentiation” Mouse amnion can turn into skin and hair follicles with help from certain cells and factors.
31 citations
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May 2008 in “Drug Discovery Today: Disease Mechanisms” Different hair growth problems are caused by genetic issues or changes in hair growth cycles, and new treatments are being developed.
28 citations
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October 2019 in “Seminars in Cell & Developmental Biology” Hair can regrow in large wounds through a process similar to how hair forms in embryos, and understanding this could lead to new treatments for hair loss or scarring.
15 citations
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February 2021 in “Scientific Reports” A specific group of stem cells can help regenerate hair continuously.
7 citations
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May 2020 in “Trends in molecular medicine” The document concludes that the immune-inhibitory environment of the hair follicle may prevent melanoma development.
April 2026 in “Frontiers in Cell and Developmental Biology” CD200- cells in hair follicles have a higher ability to regenerate hair.
April 2026 in “npj Regenerative Medicine” Melanocyte stem cells in hair follicles are key to understanding and potentially preventing hair graying.
June 2018 in “Biomedical Journal of Scientific & Technical Research” Cells can change to help heal wounds better.
May 2012 in “Nature Genetics” Blond hair in Solomon Islanders is due to a unique genetic variant, not European ancestry.