January 2026 in “http://isrctn.com/” The supplement may improve hair growth and quality in women with mild to moderate hair loss.
September 2025 in “Cosmetics” NMN supplements may improve hair quality and appearance in middle-aged women.
May 2025 in “Journal of Photochemistry and Photobiology B Biology” Blue LED light improves hair treatments for Caucasian and Asian hair but not for African hair.
December 2021 in “Cosmetics” 33 citations
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September 2018 in “Frontiers in Microbiology” Human hair shafts inhibit Gram-positive bacteria growth but not Gram-negative bacteria.
3 citations
,
February 2023 in “ACS omega” Grape seed oil improved hair quality the most, followed by rosehip and safflower seed oils, and reduced damage from shampoo.
April 2026 in “Biomolecules” Squid ink melanin nanoparticles create a safe, long-lasting black hair dye that protects hair and offers UV protection.
March 2026 in “International Journal of Cosmetic Science” Pal-KCV peptide strengthens hair and reduces breakage by up to 52%.
February 2026 in “Optics” Stretching wool changes its structure and improves fiber alignment.
September 2025 in “Cosmetics” Lipid content and structure affect water absorption in different hair types.
A natural, eco-friendly treatment using casein and tannic acid strengthens hair by 21% while keeping it elastic.
97 citations
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January 2005 in “Wear” Human hair and skin friction vary by ethnicity, hair type, and environmental conditions.
72 citations
,
December 2011 69 citations
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January 2009 in “Advances in Materials Science and Engineering” Wool keratin is reactive, biocompatible, biodegradable, and can model keratin from other sources.
65 citations
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September 2014 in “BMC genomics” Different hair types in mammals are linked to variations in specific protein genes, with changes influenced by their living environments.
46 citations
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August 2006 in “Mechanisms of Development” Runx1 is crucial for proper hair structure and development.
34 citations
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March 2009 in “Journal of Investigative Dermatology” Proteomic analysis can identify genetic differences in mouse hair, helping understand hair defects and variations.
22 citations
,
June 2020 in “iScience” Sox21 is crucial for tooth development and enamel formation by preventing cells from changing into a different type.
21 citations
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February 2019 in “Experimental Dermatology” Different fields of expertise must work together to better understand hair growth and create effective hair loss treatments.
20 citations
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February 2023 in “Biology” Innovative cosmetics could safely change hair color by targeting biological hair pigmentation processes.
13 citations
,
March 2020 in “Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy” Alopecic hair has more irregular structures and chemical changes than normal hair, reducing its strength.
12 citations
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December 2011 10 citations
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June 2019 in “Cosmetics” Mixed-race individuals have hair with varied shapes and more root damage.
8 citations
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January 2023 in “International journal of molecular sciences” Transglutaminase activity is important for skin and is found in both mammals and birds.
5 citations
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May 2022 in “Fashion and Textiles” Hair conditioners with argan oil or camellia oil improve the strength and color of bleached hair.
3 citations
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September 2016 in “Clinical, cosmetic and investigational dermatology” Sphinganine can reduce hair loss and improve scalp health.
2 citations
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January 2023 in “Pharmaceuticals” Natural products and phytochemicals may help with hair regrowth, but more research is needed.
2 citations
,
January 2022 in “Anais brasileiros de dermatologia/Anais Brasileiros de Dermatologia” Chemical hair straighteners can cause scalp and hair damage, but long-term effects are unclear.
1 citations
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June 2023 in “Cosmoderma” Trichoscopy is better than the hair pull test for tracking alopecia areata.
October 2025 in “Advanced Healthcare Materials” The hydrogels improve wound healing and tissue regeneration better than traditional treatments.