May 2026 in “Advanced Materials Interfaces” The new coating protects and strengthens hair while improving its properties.
July 2025 in “International Journal of Cosmetic Science” A new 6-point scale reliably measures heat damage to hair from styling tools.
49 citations
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April 2010 in “International Journal of Cosmetic Science” Hair ages as the cuticle wears down, especially beyond 1 meter from the root, affecting its strength and shine.
19 citations
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January 2009 in “International review of cell and molecular biology” Hair's strength and flexibility come from its protein structure and molecular interactions.
March 2026 in “Advanced Healthcare Materials” January 2011 in “Maofang ke-ji” Rabbit hair research improved its use in textiles and new applications.
17 citations
,
July 2018 in “International Journal of Cosmetic Science” Keratin-based particles safely improve hair strength, smoothness, and heat protection.
January 2025 in “SSRN Electronic Journal” 5 citations
,
January 2020 in “Skin Appendage Disorders” The nail strengthener with Pistacia lentiscus and hyaluronic acid improves brittle nails' appearance and strength.
11 citations
,
November 2003 in “PubMed” Treatments with certain oils and resins make hair shinier, while zinc oxide and synthetic sebum make it duller.
October 2025 in “International Journal of Cosmetic Science” Conditioners improve hair manageability but don't repair damage.
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.
10 citations
,
November 2016 in “International Journal of Cosmetic Science” A tough membrane between the outer and inner layers of human hair protects it from damage.
Applying conditioner in the middle of a perm process reduces hair damage.
18 citations
,
January 1965 in “Stain Technology”
January 2024 in “Authorea (Authorea)” Using laccase to add poly(tyrosine) to wool makes it less likely to shrink and stronger.
January 2009 in “Chinese journal of Clinical Medicine” 39 citations
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January 1979 in “Journal of the Society of Cosmetic Scientists of Korea” Surfactants can protect or harm hair, skin, and nails, depending on their type and use.
September 2017 in “Journal of Investigative Dermatology” Hair care products used for 4 weeks made hair smoother.
March 2009 in “CRC Press eBooks” Hair conditioner makes wet hair easier to comb by reducing friction.
15 citations
,
January 1998 Frequent blow-drying causes cracks and breakage in hair cuticles.
8 citations
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May 2025 in “Biomimetics” Cellulose nanofibers are promising for wound dressings due to their healing and drug delivery benefits.
Acidic sandy clay damages archaeological hair the most, while dry conditions preserve but make it brittle; silicone oil can help keep the hair flexible.
6 citations
,
December 2018 in “International Journal of Cosmetic Science” CARB is a strong barrier in human hair that prevents dye penetration.
April 2024 in “JCT research” March 2026 in “Journal of the mechanical behavior of biomedical materials/Journal of mechanical behavior of biomedical materials” Bleaching and UV exposure significantly damage hair.
7 citations
,
January 1981 in “Springer eBooks” Certain small molecules and polymers can change hair's physical properties and how it feels by affecting the bonds within the hair.
2 citations
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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.
May 2024 in “International Journal of Cosmetic Science” Disulfide bonds are crucial for hair's strength, especially when wet.
January 2005 in “Seibutsu Butsuri/Seibutsu butsuri” Chemical treatments damage hair more than UV exposure, making it thinner and less flexible.