22 citations
,
May 2004 in “Tissue Engineering” PGA fiber-reinforced collagen sponges improve hair growth and skin structure.
18 citations
,
January 1994 in “Skin pharmacology and physiology” Sunlight damages hair, causing cuticle loss, protein changes, and discoloration.
17 citations
,
March 2022 in “BMC Genomics” Cashmere fiber diameter in Tibetan goats is influenced by their stress, oxygen, and metabolic adaptations.
16 citations
,
April 2017 in “ACM Transactions on Graphics” Light scatters differently from elliptical hair fibers than from circular ones, and a new model better predicts this behavior, especially for shiny highlights.
16 citations
,
October 2003 in “Journal of applied polymer science” 2-iminothiorane hydrochloride improves hair waving permanence without damage.
14 citations
,
January 2009 in “Experimental Dermatology” Hair sheds gradually from the follicle, with readiness to shed indicated by less attachment material.
14 citations
,
January 1996 in “Journal of Forensic Sciences” Hair can absorb and transfer opiates when soaked in water, with damaged hair absorbing more.
11 citations
,
February 2019 in “Frontiers in Physiology” Hair properties are interconnected; a comprehensive, cross-disciplinary approach is essential for understanding hair behavior.
11 citations
,
January 2006 in “International Journal of Cosmetic Science” Some oils can penetrate hair and reduce the stickiness between fibers, but mineral oil cannot.
11 citations
,
July 2004 in “International Journal of Cosmetic Science” The conclusion is that a new method to measure hair shine was confirmed to match people's visual assessments.
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.
10 citations
,
January 2010 in “International journal of trichology” Keratin-associated proteins are part of the developing hair fiber cuticle.
10 citations
,
December 2001 in “PubMed” The conclusion is that substances can penetrate hair fibers through multiple pathways, including both the cell membrane complex and the non-keratinous parts.
10 citations
,
November 1984 in “Journal of Colloid and Interface Science” The study found that the Marangoni effect causes the uneven wetting of surfactant-coated hair due to the surfactant moving into the water.
8 citations
,
November 2022 in “International Journal of Cosmetic Science” Human hair varies widely and should be classified by curl type rather than race.
8 citations
,
March 2018 in “Expert Review of Respiratory Medicine” Inhalation therapy may repair and protect elastin in the lungs of COPD patients.
8 citations
,
December 2003 in “Materials Research-ibero-american Journal of Materials” Polyquaternium 7® builds up on hair, improving its look and feel, and AFM is good for measuring these changes.
7 citations
,
August 2009 in “Applied Mathematics and Mechanics-English Edition” Hair fibers have fractal patterns with properties related to the golden mean, which may affect their functionality.
7 citations
,
November 2004 in “International Journal of Cosmetic Science” Hair breaks differently when wet or dry and is affected by its condition and treatments like perms and bleaching.
7 citations
,
July 2004 in “International Journal of Cosmetic Science” Different hair types from various ethnic groups affect hair shine due to characteristics like thickness and shape.
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.
6 citations
,
January 2021 in “Journal of the mechanics and physics of solids/Journal of the Mechanics and Physics of Solids” The model shows that factors like follicle shape and stiffness are key for hair growth and anchoring.
6 citations
,
May 2020 in “Scientific reports” Researchers identified genes and proteins that may influence wool thickness in sheep.
6 citations
,
November 2017 in “Journal of the Peripheral Nervous System” Mercury exposure damages small nerve fibers in rats' skin.
6 citations
,
April 2001 in “The Anatomical Record” A new method using hair pores can help align skin grafts better, improving results.
5 citations
,
January 2018 in “International Journal of Trichology” Hair strength is similar across different scalp areas, and not affected by age, gender, or hair thickness.
5 citations
,
January 2015 in “Skin appendage disorders” Colored hair-thickening fibers can help hide hair loss in some people with Epidermolysis Bullosa but may cause scalp irritation.
5 citations
,
April 2005 in “Journal of applied polymer science” PEI diffuses into hair at a constant rate, and urea speeds up this process.
5 citations
,
January 1988 Only two of the four keratin genes are expressed in wool fibers.
4 citations
,
June 2021 in “Scientific Reports” Hair fiber shape and curvature are not significantly linked when ancestry is considered.