19 citations
,
January 2009 in “International review of cell and molecular biology” Hair's strength and flexibility come from its protein structure and molecular interactions.
11 citations
,
January 2014 in “The Scientific World Journal” Cynatine HNS improves hair and nail quality in 90 days.
9 citations
,
July 2011 in “Scientific Reports” Changes in the HR gene have influenced hair growth and may lead to hair loss conditions in humans.
2 citations
,
November 1995 in “American Journal of Obstetrics and Gynecology” Taking vitamin B6 corrected a pregnant woman's metabolic disorder, which changed her hair color.
January 2026 in “RSC Advances” Epristeride's metabolism in zebrafish helps improve doping detection methods.
5 citations
,
January 2017 in “Elsevier eBooks” The document concludes that cosmetics need biocompatible, eco-friendly ingredients due to aging populations and demand for effective products.
January 2011 in “Journal of Society of Cosmetic Chemists of Japan” 18-MEA and SPDA can restore damaged hair's smoothness and reduce frizz.
A natural, eco-friendly treatment using casein and tannic acid strengthens hair by 21% while keeping it elastic.
February 2024 in “bioRxiv (Cold Spring Harbor Laboratory)” Tandem repeats significantly influence hair color, especially darker shades, across different ancestries.
10 citations
,
January 2010 in “PubMed” Adjuvants, diet changes, and laser therapy may improve male pattern hair loss.
November 2024 in “Journal of Functional Foods” AP collagen peptides improve hair elasticity and gloss.
November 2022 in “Arab Gulf Journal of Scientific Research” Taurine is important for many body functions and its deficiency can cause health problems.
February 2025 in “Clinical Cosmetic and Investigational Dermatology” Higher fasting insulin levels increase the risk of androgenetic alopecia.
1 citations
,
October 2022 in “Veterinary pathology” Some canine hair follicle tumors contain amyloid deposits, with a protein called CK5 involved in their formation.
January 2026 in “International Journal of Nutrology” Hair loss is common after bariatric surgery, especially vertical sleeve gastrectomy, and is linked to emotional distress.
November 2025 in “Advanced Science” A new nanozyme using EGCG and L-arginine boosts hair growth by safely increasing beneficial oxidative stress.
30 citations
,
September 2018 in “International Journal of Cosmetic Science” Bleaching hair causes severe structural and chemical damage, including protein loss and oxidation.
18 citations
,
February 1992 in “Molecular Biology Reports” A specific type II hair keratin was identified and found in hair cortex and tongue cells.
1 citations
,
June 2016 in “Experimental Dermatology” Metabolomics can identify hair damage markers, but its use in creating treatments is uncertain.
Hair analysis can help identify specific minerals and amino acids linked to various diseases.
July 2024 in “Experimental Dermatology” AP collagen peptides help hair grow and improve hair health.
12 citations
,
June 2011 in “Journal of applied polymer science” L-phenylalanine and hydrolyzed eggwhite protein deeply penetrate human hair.
4 citations
,
May 2017 in “Pediatric Dermatology” The study found that Short Anagen Syndrome results in short hair growth not due to hair fragility, and hair may grow longer after puberty.
April 2024 in “Current research in nutrition and food science” Taking an amino acid supplement improved skin, hair, and nail health in women.
August 2019 in “Research Square (Research Square)” Certain long non-coding RNAs in cashmere goats affect hair growth when treated with a specific growth factor.
33 citations
,
January 2015 in “Journal of Cosmetic Dermatology” Familial frontal fibrosing alopecia affects premenopausal women too, and early diagnosis is important, but no proven medication exists yet.
3 citations
,
September 2014 in “SpringerPlus” Human hair loss may have evolved to help increase brain size.
2 citations
,
January 2022 in “Anais brasileiros de dermatologia/Anais Brasileiros de Dermatologia” Chemical hair straighteners can cause scalp and hair damage, but long-term effects are unclear.
18 citations
,
January 1978 in “Advances in experimental medicine and biology” Hair cystine levels may indicate protein malnutrition, but more research is needed.
7 citations
,
January 2021 in “Evidence-based complementary and alternative medicine” Porphyra-334 may help reduce wrinkles and promote hair growth.