22 citations
,
May 2004 in “Tissue Engineering” PGA fiber-reinforced collagen sponges improve hair growth and skin structure.
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.
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.
9 citations
,
January 1989 in “Sen'i Gakkaishi” Wool and hair fibers absorb moisture similarly due to their keratin structure, with the amount of non-crystalline areas affecting the moisture uptake.
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.
6 citations
,
April 2001 in “The Anatomical Record” A new method using hair pores can help align skin grafts better, improving results.
5 citations
,
October 2011 in “Small ruminant research” Goat hair growth and follicle activity change with the seasons and differ between males and females.
2 citations
,
January 2006 in “International Journal of Cosmetic Science” The study found that certain conditioning compounds can penetrate hair and potentially improve its resistance to damage.
1 citations
,
August 2023 in “Composites Part B: Engineering” The new wound dressing helps heal burn wounds and regrow hair by releasing beneficial ions.
August 2019 in “Research Square (Research Square)” Red LED light improves the quality of Angora rabbit wool by promoting hair growth.
The new method can tell how hair fibers react to moisture after treatments.
15 citations
,
May 2010 in “International Journal of Cosmetic Science” The cell membrane complex in mammalian hair has three distinct types with different structures and chemical properties.
11 citations
,
June 2001 in “PubMed” Coconut oil can penetrate hair better than mineral oil, potentially protecting against damage.
July 2025 in “International Journal of Cosmetic Science” A new 6-point scale reliably measures heat damage to hair from styling tools.
Hyaluronic acid in shampoo penetrated hair well, reduced frizz, and improved hair strength and moisture.
Hair coloring and bleaching can permanently break down hair protein and temporarily change its properties.
56 citations
,
January 1996 in “Journal of Forensic Sciences” Dye enters hair at the edges of cuticle cells and penetrates more from water than alcohol-based solutions.
48 citations
,
December 2004 in “Differentiation” Tooth papilla cells can help regenerate hair follicles and grow hair.
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.
9 citations
,
July 2018 in “Journal of Testing and Evaluation” Adding human hair to sand improves its strength when dry and maintains strength when wet.
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.
1 citations
,
February 2015 in “Zenodo (CERN European Organization for Nuclear Research)” Different hair fiber brands have unique electrostatic and dielectric properties.
April 2019 in “Digital Library of Theses and Dissertations (Universidade de São Paulo)” Hair straightening at pH 1.0 improves alignment but weakens hair more than pH 2.0.
27 citations
,
January 2010 in “Animal” South American camelids should be sheared early, fleece type affects fiber quality, and the S/P follicle ratio doesn't distinguish between Bolivian llama genotypes.
March 2026 in “Biomolecules” MicroRNAs play a key role in controlling hair growth and quality in sheep and goats.
48 citations
,
September 1993 in “The journal of experimental zoology/Journal of experimental zoology” Melatonin treatment started hair growth in goats and affected their hormone levels.
46 citations
,
January 2009 in “Textile Research Journal” Researchers developed a new method to identify animal hair in textiles, which is effective for various fibers and more reliable than previous methods.
3 citations
,
March 2019 in “Tekstil Ve Konfeksiyon” Anatolian native goat down-hair is similar to cashmere and can be used for high-quality textiles.
September 2025 in “International Journal of Cosmetic Science” Friction causes hair breakage during combing, and fragment count predicts hair strength.
January 2014 in “Journal of Tissue Engineering and Reconstructive Surgery” Rabbit hair follicle stem cells and nano silk fibers can create a tissue-engineered urethra.