25 citations
,
November 2012 in “Thermochimica Acta” Internal lipids in keratin fibers, like wool and hair, reduce water absorption and release.
30 citations
,
August 2008 in “The journal of investigative dermatology/Journal of investigative dermatology” TGase 3 helps build hair structure by forming strong bonds between proteins.
42 citations
,
December 2018 in “International Journal of Phytocosmetics and Natural Ingredients” Olive and Brazil nut oils improve hair strength, shine, and softness better than silicone.
24 citations
,
October 2008 in “PubMed” Excessive sun exposure damages hair, causing protein loss and color changes.
July 2025 in “Scientific Reports” Fermented grapeseed oil effectively repairs and protects chemically damaged hair.
51 citations
,
January 2007 in “The journal of investigative dermatology/Journal of investigative dermatology” Scientists discovered a unique hair protein, KAP24.1, with a special structure, found only in the upper part of hair cuticles.
6 citations
,
September 2018 in “ACS applied bio materials” Calcium fatty acid deposits found in human hair can change its appearance and feel.
4 citations
,
August 2016 in “PubMed” Repeated dyeing and shampooing cause hair color loss and damage.
Modern hair styling products don't repair hair but improve its surface and stability.
March 2026 in “Journal of the mechanical behavior of biomedical materials/Journal of mechanical behavior of biomedical materials” Hair cuticles remain stable and resilient under stress due to strong protein content and crosslinking.
August 2025 in “Applied Sciences” Peroxide-rich plasma-activated water is gentler on hair than nitrate-rich formulations.
June 2025 in “Current Issues in Molecular Biology” Minoxidil, caffeine, and biotin can improve hair shine by restoring certain genes.
April 2024 in “Advances in Redox Research” Human hair strength and health are linked to sulfur compounds that can be reduced by stress but improved with sulfur supplements.
The KRT84 gene is linked to better wool quality in Gansu Alpine Fine-wool sheep.
30 citations
,
September 2018 in “International Journal of Cosmetic Science” Bleaching hair causes severe structural and chemical damage, including protein loss and oxidation.
7 citations
,
September 2021 in “Journal of Applied Polymer Science” Cuttlefish ink melanin protects hair from UV damage.
January 2017 in “대한미용학회지” The cuticle layer in hair follicles thickens during keratinization due to incomplete cytosol loss.
December 2019 in “C&EN Global Enterprise” Thicker hair isn't always stronger.
9 citations
,
February 2016 in “Anatomical Science International” Hair proteins change location and structure as hair cells mature.
14 citations
,
April 2016 in “PloS one” The KRTAP11-1 gene promoter is crucial for specific expression in sheep wool cortex.
7 citations
,
October 2019 in “Frontiers in bioengineering and biotechnology” Fusion proteins can protect hair from heat damage.
272 citations
,
September 2001 in “Journal of Biological Chemistry” Human hair keratins were cataloged, showing their roles in hair differentiation stages.
65 citations
,
May 2006 in “Journal of Structural Biology” Hair curliness is due to uneven distribution of different cortices within the hair fiber.
7 citations
,
November 2006 in “Journal of immunological methods” The method can help diagnose and monitor diabetes by analyzing hair.
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
,
November 2017 in “Histochemistry and Cell Biology” Polyamines are abundant in certain parts of rat hair follicles and may play a key role in hair growth.
1 citations
,
July 2023 in “Biomimetics” A new hair treatment using a natural polyphenol complex improves hair strength, reduces static, and protects against UV damage.
January 2026 in “SSRN Electronic Journal” Riboflavin with blue light speeds up hair dyeing, making it faster, safer, and long-lasting with less hair damage.
January 2026 in “Journal of Cosmetic Dermatology” Microneedling can weaken hair in some AGA patients.
December 2025 in “Cosmetics” The bio-based complex effectively repairs and protects chemically damaged hair.