December 2025 in “Cosmetics” The bio-based complex effectively repairs and protects chemically damaged hair.
7 citations
,
December 2011 in “Annals of anatomy” Involucrin helps strengthen the inner parts of human hair.
10 citations
,
September 2020 in “Biopolymers” Hair's structure and properties change with pH; acidic pH maintains strength and less swelling, while alkaline pH increases water content and swelling.
September 2025 in “International Journal of Ayurvedic Medicine” Hair medulla patterns vary by Prakruti type, affecting hair strength.
January 1989 in “Clinical and Experimental Dermatology” The symposium concluded that hair growth involves complex processes, including the hair follicle life cycle, the role of the dermal papilla, hair strength, pigmentation, and the impact of diseases and treatments like minoxidil on hair and skin.
June 2021 in “Research Square (Research Square)” Dyed chitin nanofibers are strong, colorful, and water-resistant, enhancing resin strength and color.
May 2024 in “International Journal of Cosmetic Science” Disulfide bonds are crucial for hair's strength, especially when wet.
117 citations
,
August 2005 in “Ultramicroscopy” Human hair's strength and flexibility vary by ethnicity, damage, and treatment.
ILC1-like cells may contribute to hair loss in alopecia areata.
ILC1-like cells may contribute to hair loss in alopecia areata and could be new treatment targets.
3 citations
,
January 1989 in “PubMed” The review found that specific changes in scalp tissue can help diagnose different types of hair loss.
The KRT84 gene is linked to better wool quality in Gansu Alpine Fine-wool sheep.
July 2022 in “Siriraj Medical Bulletin” The conditioner effectively strengthens and smooths hair, offering a natural alternative.
August 2021 in “International Journal of Research in Dermatology” Modern hair straightening improves manageability and strength while maintaining natural waves.
17 citations
,
October 1997 in “Australian Journal of Agricultural Research” Stocking rate affects wool follicle inactivity, not Merino strain.
January 2025 in “Dermatology Research and Practice” The treatment effectively repairs and strengthens damaged hair by restoring natural lipids.
December 2023 in “Data in Brief” Curly hair's strength and flexibility vary with moisture and temperature.
June 2022 in “International Journal of Advanced Research in Science, Communication and Technology” The herbal shampoo promotes hair growth and strength without damage.
17 citations
,
February 2015 in “Experimental Dermatology” Keratins are crucial for hair strength, and mutations in certain keratin genes cause hair disorders.
March 2026 in “ACS Applied Bio Materials” The TO-TF copolymer strengthens damaged hair effectively and sustainably.
1 citations
,
July 2020 in “Journal of Al-Azhar University Engineering Sector” Adding human and horse hair fibers to concrete can increase its strength.
November 2025 in “Advanced Healthcare Materials” Charge-conversion chemistry improves hair-rebonding by enhancing penetration and strength.
6 citations
,
October 2018 in “Endocrinology” Prenatally androgenized ewes can model increased hair diameter in women with PCOS.
52 citations
,
May 2006 in “Journal of Structural Biology” Keratin-associated proteins help link filaments and affect keratin's strength.
Guard hair length is positively correlated with guard hair diameter and down fiber length, but negatively correlated with variation in guard hair diameter and down fiber diameter.
January 2024 in “International Journal of Cosmetic Science” A new method using 1,4-n-butylene dimaleate effectively repairs and strengthens damaged hair.
8 citations
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November 2019 in “Journal of Natural Fibers” Adding human hair to clayey soil makes it stronger, even after freeze-thaw cycles, and is eco-friendly and cheap.
July 2023 in “Research Square (Research Square)” Skin's uneven surface and hair follicles affect its stress and strain but don't change its overall strength, and help prevent the skin from peeling apart.
4 citations
,
April 1955 in “Textile Research Journal” The effectiveness of reducing agents on hair fibers depends on their electrode potentials.
January 2024 in “Journal of Pharmacognosy and Phytochemistry” Rosemary hair serum promotes healthier, stronger, and shinier hair.