4 citations,
April 2019 in “Cosmetics” Hair stiffness is higher when it has more para-like cortical cells.
3 citations,
January 2018 in “International Journal of Cosmetic Science” Hair stiffness increased by 13.2% after caffeine treatment, validating the Stiffness-Angle Law as an effective measurement method.
1 citations,
March 2010 in “International Journal of Cosmetic Science” The Aqualon SLT device measures hair stiffness and slipperiness to evaluate hair treatments.
March 2024 in “Nihon Keshouhin Gijutsushakaishi/Journal of S C C./Nihon Keshouhin Gijutsushakai kaishi” Hair becomes less stiff as we age because of a decrease in zinc, which is linked to lower levels of the protein TG3.
10 citations,
January 2002 in “Nihon Keshouhin Gijutsushakaishi/Journal of S C C./Nihon Keshouhin Gijutsushakai kaishi” The cuticle significantly contributes to hair stiffness, making up about 60% of the total bending stress.
7 citations,
October 2020 in “International Journal of Cosmetic Science” Different sizes of keratin peptides can strengthen hair, with smaller ones possibly increasing volume and larger ones repairing damage.
19 citations,
July 2018 in “ACS biomaterials science & engineering” Bleaching and combing damage hair's surface and mechanical properties.
September 2024 in “Heliyon” Repeated hair dyeing significantly damages hair.
31 citations,
February 2019 in “International Journal of Cosmetic Science” Caffeine applied to the scalp can protect hair follicles from UV damage.
28 citations,
December 2011 in “Biocatalysis and biotransformation” PDI helps restore over-bleached hair's strength and structure by attaching special peptides.
4 citations,
January 2021 in “Skin appendage disorders” Hair straightening can damage hair and pose health risks, including exposure to carcinogens and hair loss.
1 citations,
October 2021 in “Indian Journal of Plastic Surgery/Indian journal of plastic surgery” Proper hair care and safe use of hair products are crucial for those with hair loss.
1 citations,
July 2019 in “British Journal of Dermatology” Minoxidil was more effective than laser therapy for hair loss, and the report also highlighted the need for more research on PRP for a different hair loss condition, the impact of social media on alopecia views, and a warning on turmeric causing nail discoloration.
39 citations,
April 2020 in “Clinical, Cosmetic and Investigational Dermatology” Asian hair is generally straight and thick, with unique disorders and properties, and more research is needed to understand it fully.
7 citations,
October 2019 in “Frontiers in bioengineering and biotechnology” Fusion proteins can protect hair from heat damage.
5 citations,
March 2001 in “Journal of biomechanics” Growing hairs are easier to pull out than resting hairs due to different anchorage strengths.
1 citations,
September 2022 in “Pharmaceutics” The stiffness of a wound affects hair growth during healing, with less stiff areas growing more hair.
2 citations,
January 2002 in “PubMed” The new test shows how hair treatments affect hair's bending stiffness by swinging a pendulum through hair fibers.
2 citations,
October 2022 in “Journal of structural biology” Older thin hair is not just thinner but also has different shape, structure, and stiffness.
147 citations,
September 2001 in “Computer graphics forum” The authors created a realistic and efficient method to simulate hair movement by combining fluid dynamics with individual hair strand behavior.
2 citations,
July 2019 in “Cosmetics” Beautiful hair is flexible and elastic due to its unique double-layered structure and can be enhanced with succinic acid treatment.
2 citations,
December 2020 in “bioRxiv (Cold Spring Harbor Laboratory)” The SYP123-VAMP727 complex is important for transporting materials that harden the root hair shank in Arabidopsis.
63 citations,
January 1992 in “Experimental Neurology” Chickens exposed to loud noise can quickly regain hearing mostly due to repair of the tectorial membrane, not just hair cell regeneration.
1 citations,
December 2022 in “Middle East Journal of Science” Permanent hair dyes use chemicals that react with hydrogen peroxide to create color.
20 citations,
August 2009 in “Journal of The European Academy of Dermatology and Venereology” Occipital scalp affects female hair loss; terminal/vellus ratio helps diagnose androgenetic alopecia.
86 citations,
July 2002 in “Clinical and Experimental Dermatology” FPHL is a common, age-related, genetic hair loss with unclear causes and limited treatment options.
November 2023 in “Cosmetics” Rice derivatives in conditioners protect and improve hair health.
1 citations,
May 1983 in “Acta dermato-venereologica” The hairpiece matted due to weathered hair after shampooing.
22 citations,
May 2021 in “Nature Communications” Tissue stiffness affects hair follicle regeneration, and Twist1 is a key regulator.
12 citations,
January 2018 in “Biomaterials Science” Softer hydrogel surfaces help maintain hair growth-related functions in skin cells.