December 2010 in “Journal of Oriental Medicine” Black bean, wheat, and rice bran extracts can improve hair growth and quality.
December 2025 in “Cosmetics” The bio-based complex effectively repairs and protects chemically damaged hair.
2 citations
,
July 2022 in “Pediatric dermatology” A toddler with a rash and developmental delays improved after treatment for severe malnutrition caused by a diet lacking in protein.
October 2023 in “International journal of molecular sciences” Key proteins and pathways regulate wool fiber diameter in Alpine Merino sheep.
10 citations
,
October 2018 in “Journal of molecular and cellular cardiology/Journal of Molecular and Cellular Cardiology” The gene NM_026333 slows down aging by affecting the NCX1 pathway and could be targeted for anti-aging treatments.
7 citations
,
January 2010 in “Animal” Angora goat hair grows faster and produces more protein than cashmere goat hair, and certain hormones and nutrients positively affect hair growth and protein synthesis.
November 2024 in “Elsevier eBooks”
April 2021 in “Arab Journal of Nuclear Sciences and Applications/Arab Journal of Nuclear Sciences and Applications ” Repeated use of protein hair conditioner with heat or gamma irradiation can harm skin and hair health in rats.
17 citations
,
October 1981 in “American Journal of Clinical Nutrition” Malnourished people have weaker hair that is easier to pluck.
4 citations
,
November 2022 in “Journal of biomedical materials research. Part B, Applied biomaterials” Human hair proteins, especially keratins, can protect cells from oxidative stress in lab settings.
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.
42 citations
,
January 2017 in “Genes” The gene KAP22-1 affects wool yield and fiber shape in sheep.
98 citations
,
May 2016 in “Genes” Understanding wool keratin-associated proteins in sheep can help improve wool quality through selective breeding.
Two nutritional supplements improved hair growth and reduced hair loss in women with hair loss conditions.
7 citations
,
June 2017 in “Omics” The study developed a method to analyze ancient hair proteins using very small samples.
August 2025 in “Nanomaterials” Tea polyphenol–zinc helps protect the liver and intestines from oxidative stress.
January 2017 in “OPAL (Open@LaTrobe) (La Trobe University)” Collagen peptides may boost skin and hair-related gene expression.
January 2026 in “Health Food & Biotechnology” A hair serum with 3% keratin from chicken feathers made hair smoother, shinier, and more elastic.
October 2025 in “Plastic & Reconstructive Surgery” MNC-QQ cell therapy improved hair growth and quality of life in men with androgenic alopecia without adverse effects.
12 citations
,
September 1981 in “Acta Dermato Venereologica” Zinc supplements improved the girl's hair growth and thickness.
May 2025 in “Clinical Cosmetic and Investigational Dermatology” Wheat extract supplements reduce hair shedding and improve growth in women with hair loss.
3 citations
,
January 2017 in “Journal of cosmetology & trichology” The food supplement with L-cystine, Serenoa repens extract, and biotin safely reduced hair loss and improved hair growth in men and women.
Cassia HPTC is an effective hair conditioner, better than some traditional options.
Collagen peptides may boost skin and hair-related gene expression.
2 citations
,
January 2022 in “Journal of Cosmetic Dermatology” QR678 Neo® is a safe and effective treatment for hair loss in men and women.
December 2023 in “Scientific reports” Fermented soy protein may help prevent bone loss by affecting bone cell activity.
February 2026 in “Pakistan Veterinary Journal” Selenium and Vitamin E supplements improved antioxidant levels and cashmere production in goats.
5 citations
,
May 1983 in “Australian journal of biological sciences” Certain amino acid analogues can inhibit wool and hair growth and affect fiber strength.
17 citations
,
August 2018 in “BMC Genomics” The HOXC13 gene affects different hair proteins in cashmere goats in varied ways and is controlled by a feedback loop and other factors.
4 citations
,
November 2021 in “Journal of Cosmetic Dermatology” QR678 and QR678 Neo treatments, combined with corticosteroid injections, work better for alopecia areata than corticosteroid injections alone.