May 2026 in “Zenodo (CERN European Organization for Nuclear Research)” Roota Hair Growth promotes fuller, healthier hair using plant-based ingredients and requires consistent use.
May 2026 in “Zenodo (CERN European Organization for Nuclear Research)” Roota Hair Growth promotes fuller, healthier hair using plant-based ingredients.
December 2019 in “C&EN Global Enterprise” Thicker hair isn't always stronger.
Anti-keratin antibody from cow milk makes damaged hair stronger and less likely to break.
5 citations
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May 1983 in “Australian journal of biological sciences” Certain amino acid analogues can inhibit wool and hair growth and affect fiber strength.
27 citations
,
February 1991 Cuticle damage doesn't affect hair's tensile strength; the cortex is responsible for it.
KRTAP6 genes affect wool quality in sheep.
Afro-textured hair needs specialized care due to its unique genetic and structural properties.
13 citations
,
September 2017 in “International Journal of Cosmetic Science” Thioglycerol treatment at pH 9.0 with ammonia causes less hair damage and better waving than thioglycolic acid.
Different treatments change the strength and flexibility of human hair.
May 2026 in “Advanced Materials Interfaces” The new coating protects and strengthens hair while improving its properties.
April 2024 in “Cosmetics” Different oils affect hair flexibility and strength, with their impact varying on whether hair is virgin or bleached.
December 2023 in “Data in Brief” Curly hair's strength and flexibility vary with moisture and temperature.
August 2020 in “Textile research journal” The model helps understand how wool fiber structure affects its strength and flexibility.
October 2021 in “Digital Library of Theses and Dissertations (Universidade de São Paulo)” The active ingredient improves the strength of damaged hair fibers.
2 citations
,
September 2004 in “International Journal of Cosmetic Science” Hair quality is genetically determined and linked to its composition and strength.
1 citations
,
July 2020 in “Journal of Al-Azhar University Engineering Sector” Adding human and horse hair fibers to concrete can increase its strength.
3 citations
,
January 2021 in “ScienceAsia” Using an enzyme and keratin treatment can significantly repair and strengthen damaged 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.
11 citations
,
April 2022 in “Biophysical Journal” Disulfide bonds in keratin fibers break more easily under stress, especially when wet, affecting fiber strength.
18 citations
,
January 2008 in “Sen'i Gakkaishi” Thioglycolic acid and L-cysteine change hair structure differently during perms, affecting hair strength and curling efficiency.
June 2021 in “Research Square (Research Square)” Dyed chitin nanofibers are strong, colorful, and water-resistant, enhancing resin strength and color.
October 2021 in “Journal of Investigative Dermatology” Skin cell strength decreases significantly as we age.
117 citations
,
August 2005 in “Ultramicroscopy” Human hair's strength and flexibility vary by ethnicity, damage, and treatment.
4 citations
,
January 2015 in “Sen'i Gakkaishi” Hair and wool strength is affected by the number and type of bonds in their protein structures, with hair having more protein aggregates than wool.
December 2025 in “Zenodo (CERN European Organization for Nuclear Research)” SwaLife Hair Bloom Onion Oil strengthens and restores hair using onion extract and herbs.
92 citations
,
November 2003 in “The Journals of Gerontology” Testosterone supplements can increase muscle mass and strength in older men with low levels, but long-term effects and risks need more research.
1 citations
,
March 2018 in “bioRxiv (Cold Spring Harbor Laboratory)” The hair treatment made hair grow faster and thicker and strengthened the hair roots.
New methods to classify curly hair types were developed based on shape and strength.
8 citations
,
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.