March 2026 in “Food, Nutrition and Health.” Collagen peptides may help reduce skin aging by improving elasticity and hydration.
September 2025 in “Clinics and Practice” Collagen with calcium and vitamin D improves bone health, skin elasticity, and reduces hair loss in menopausal women.
March 2024 in “Journal of functional foods” Collagen peptides from marine and bovine sources may help prevent hair loss by affecting hair follicle stem cells differently.
32 citations
,
June 2013 in “Journal of Investigative Dermatology” Mice without certain skin proteins had abnormal skin and hair development.
9 citations
,
February 2022 in “Nature communications” Rare changes in the KRT82 gene are linked to a higher risk of Alopecia Areata.
4 citations
,
January 2015 in “Journal of microbial & biochemical technology” Biotin helps regulate proteins in the blood, which may explain its role in hair growth.
March 2026 in “Virulence” Vimentin and keratin help viruses spread and could be targets for antiviral treatments.
November 2025 in “Bioscientia Medicina Journal of Biomedicine and Translational Research” A combined treatment with microneedling and vitamin D3 led to complete hair regrowth in a woman with stubborn patch alopecia areata.
January 2024 in “Journal of Ayurveda and integrative medicine” Millets may help reduce chemotherapy side effects like nausea, fatigue, and hair loss.
79 citations
,
February 2009 in “Human Genetics” The KRTAP36-2 gene in sheep affects wool yield.
March 2025 in “ACS Applied Materials & Interfaces” Ultrasonic microneedles improve hair regrowth treatment effectiveness without side effects.
14 citations
,
September 2019 in “Forensic Science International Genetics” Hair keratin proteins can be reliably identified in hair as short as 0.12 cm, with 0.5 to 2 cm being the best length for analysis.
October 2025 in “Physiologia” Spermidine may improve skin health and hair growth by enhancing cell function.
February 2024 in “Archiv EuroMedica” Annurca apple extract may help with hair growth and prevent hair loss.
Hairless mammals evolved quickly in both gene and non-gene areas related to skin and hair.
54 citations
,
November 1994 in “Differentiation” Trichohyalin is found in non-hair tissues and works with filaggrin in certain skin areas and conditions.
44 citations
,
January 2017 in “Journal of Investigative Dermatology” Mutations in the KLHL24 gene cause skin blistering in epidermolysis bullosa simplex.
25 citations
,
September 2014 in “SpringerPlus” Sheep have a unique gene, KAP8-2, that humans don't have, which may affect wool properties.
17 citations
,
May 2018 in “BMC genomics” Researchers found genes and microRNAs that control curly fleece in Chinese Tan sheep.
6 citations
,
December 2022 in “Journal of Materials Chemistry B” The dressing generates hydrogen sulfide to help heal wounds faster by reducing inflammation and promoting cell growth.
3 citations
,
September 2021 in “Data in brief” Bleaching hair changes its structure and weakens it, which is important for understanding hair damage and creating treatments.
3 citations
,
July 2017 in “Journal of Investigative Dermatology” SSEA-4 can distinguish between eccrine and apocrine sweat gland ducts.
2 citations
,
September 2017 in “Biotechniques/BioTechniques” Researchers created a mouse cell line to study hair growth and test hair growth drugs.
2 citations
,
August 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” A specific mutation in the K25 gene causes a rare genetic disorder with curly hair at birth and later hair loss, along with dental issues.
1 citations
,
March 2017 in “Roczniki Naukowe Polskiego Towarzystwa Zootechnicznego” Domestic cat hair varies in thickness and length, with guard hairs being longest and thickest, and all hair types mainly contain keratin.
December 2024 in “Genome Biology and Evolution” Snakes and worm lizards lost claw proteins due to similar evolutionary changes.
October 2023 in “International Journal of Cosmetic Science” WS Biotin, a new form of D-Biotin, improves water solubility and shows potential for hair and skin care without being toxic at low levels.
139 citations
,
August 2006 in “Molecular and Cellular Biology” Rac1 is vital for hair follicle health but not needed for skin maintenance.
561 citations
,
April 2003 in “Journal of Investigative Dermatology” CD34 is a marker for isolating stem-like cells in mouse hair follicles.