January 2018 in “대한미용학회지” White hair is denser and more hydrophobic than black hair.
Equisetum debile extract may help with hair loss by inhibiting enzymes and reducing inflammation.
Guaraná extract effectively reduces oiliness in skin and hair without harming skin health.
49 citations
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October 2017 in “Nutrients” Equisetum debile extract, especially the ethyl acetate type, may be a promising natural ingredient for anti-hair loss products.
October 2024 in “International Journal of Pharmaceutics” Finasteride in lipid carriers improved hair growth in rats.
47 citations
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April 2017 in “European Journal of Pharmaceutics and Biopharmaceutics” The new dutasteride formula can be applied to the skin, may promote hair growth, and has fewer side effects.
August 2025 in “Applied Sciences” Peroxide-rich plasma-activated water is gentler on hair than nitrate-rich formulations.
44 citations
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February 2012 in “The journal of neuroscience/The Journal of neuroscience” Mutations in the PTPRQ gene cause significant balance issues in mice due to hair bundle defects in the inner ear.
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January 1961 in “PubMed” Cholesterol and phospholipids increase in mouse skin during cancer development, with differences between male and female skin.
January 2005 in “The Chinese Journal of Dermatovenereology” High fluoride increases damage in hair follicles, but low selenium can reduce this damage at lower fluoride levels.
November 2024 in “Journal of Functional Foods” AP collagen peptides improve hair elasticity and gloss.
30 citations
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July 2000 in “PubMed” Hair has unevenly distributed proteins and lipids, with lipids mainly in the cuticle and proteins in the cortex and medulla.
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November 2024 in “Scientific Reports” 16-MHA can restore damaged hair's protective barrier and moisture balance.
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July 2022 in “Science Immunology” TREM2 macrophages and unsaturated lipids contribute to acne inflammation.
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April 2021 in “bioRxiv (Cold Spring Harbor Laboratory)” The conclusion is that analyzing RNA from skin oils is a promising way to understand skin diseases.
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June 2017 in “Proceedings of the National Academy of Sciences of the United States of America” A gene called Gk5 controls lipid production in the skin and affects hair growth.
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March 2014 in “Molecular and Cellular Biology” Cidea is essential for proper lipid storage and secretion in sebaceous glands, affecting skin and hair health.
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November 2005 in “Journal of Clinical Pathology” CD1d expression in scalp skin and hair follicles changes with the hair cycle and may help protect against microbes.
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January 2021 in “Histochemistry and Cell Biology” Cholesterol transport in hair follicles decreases from growth to regression phase.
1 citations
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November 2004 in “International Journal of Cosmetic Science” External agents penetrate skin more easily in areas with fewer lipids, especially through hair follicles.
3 citations
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November 2018 in “Journal of cellular physiology” Serenoa repens and N-acetyl glucosamine/milk proteins complex may help with hair growth and prevent hair loss.
January 2025 in “Surgical & Cosmetic Dermatology” The gel may help hair regrow faster and improve skin after hair removal.
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.
Genes and metabolites affect cashmere fiber thickness, which can improve cashmere quality.
102 citations
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July 2007 in “Genes & Development” A mother's PPARγ is crucial for preventing harmful milk that can cause inflammation and growth problems in babies.
92 citations
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September 2015 in “Journal of Lipid Research” Skin fat helps with body temperature control and has other active roles in health.
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March 2014 in “Cold Spring Harbor Perspectives in Medicine” Fat cells are important for healthy skin, hair growth, and healing, and changes in these cells can affect skin conditions and aging.
1 citations
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January 2026 MicroRNA-200 prevents sebaceous gland development by inhibiting SOX9 and cell cycle progression.
1 citations
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January 2015 in “Journal of nutrition & health” Fish oil improves skin health in people with diabetes and high cholesterol.