1 citations
,
July 2022 in “International journal of trichology” Type 3 hair oil strengthens hair more than coconut oil.
January 2010 in “SÖFW-Journal” A natural moisturizer can make hair stronger.
Lactobacillus and fermented Korean berry can help hair grow faster.
5 citations
,
January 2020 in “Skin Appendage Disorders” The nail strengthener with Pistacia lentiscus and hyaluronic acid improves brittle nails' appearance and strength.
March 2023 in “Archives of Physical Medicine and Rehabilitation” Testosterone and finasteride improve muscle strength and size after spinal cord injury.
October 2014 in “University of the Arts London Research Online (University of the Arts London)” Protein-derived ingredients can help strengthen bleached hair.
2 citations
,
December 2010 in “PubMed” The new stiffness test works well for gels but not for sprays.
February 2014 in “Cancer Research” Recent findings advanced understanding of cancer mechanisms and potential treatments.
August 2020 in “Textile research journal” The model helps understand how wool fiber structure affects its strength and flexibility.
5 citations
,
March 2001 in “Journal of biomechanics” Growing hairs are easier to pull out than resting hairs due to different anchorage strengths.
Different treatments change the strength and flexibility of human hair.
January 2007 in “Proceedings of the Korean Fiber Society Conference” New resin B makes artificial hair fibers hold curls longer than traditional resin A.
1 citations
,
July 2020 in “Journal of Al-Azhar University Engineering Sector” Adding human and horse hair fibers to concrete can increase its strength.
July 2025 in “International Journal of Cosmetic Science” A new 6-point scale reliably measures heat damage to hair from styling tools.
May 2025 in “The Journal of Rheumatology” Regular monitoring of autoantibodies in ANA-positive patients with hair loss helps detect and treat lupus early.
November 2025 in “Advanced Healthcare Materials” Charge-conversion chemistry improves hair-rebonding by enhancing penetration and strength.
4 citations
,
November 2016 in “The Journal of Dermatology” Pili torti hair is fragile due to loose keratin filaments and weak disulfide bonds.
October 2022 in “Journal of Natural Fibers”
The EMG-to-force model accurately predicts hip muscle forces during walking.
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
,
February 2016 in “Journal of sol-gel science and technology” A small molecule can strengthen fine hair, making it more resistant and natural-feeling.
July 2023 in “Nature Reviews Chemistry” A new method strengthens hair without using harmful chemicals.
March 2026 in “ACS Applied Bio Materials” The TO-TF copolymer strengthens damaged hair effectively and sustainably.
July 2024 in “Journal of Investigative Dermatology” Cell movements and forces shape feather growth in chicken skin.
October 2023 in “Materials chemistry and physics (Print)” Adding keratin to a mix of cow hair and plant-based plastic makes it stronger.
49 citations
,
June 2004 in “Philosophical Transactions of the Royal Society A Mathematical Physical and Engineering Sciences” Human hair becomes weaker and stretches more easily at higher temperatures.
August 2016 in “International journal of scientific research in science, engineering and technology” Adding human hair fibers to soft soil makes it stronger and prevents cracking.
30 citations
,
November 2012 in “Proceedings of the Royal Society B Biological Sciences” Hard α-keratins stay stiff in water because the surrounding matrix keeps them dehydrated and strong.
August 2007 in “Microscopy and Microanalysis” Hair fibers break by cuticle cell slipping, shape changing, cuticle fraying, and surface cracking when stretched under specific conditions.
December 2023 in “Data in Brief” Curly hair's strength and flexibility vary with moisture and temperature.