9 citations
,
October 2008 in “Mutation research” N-acetyl-L-cysteine (NAC) can prevent DNA damage and protect cells from harm.
23 citations
,
June 1993 in “PubMed” Medication 1 improved hair quality and growth more effectively than medication 2 and the placebo.
2 citations
,
February 2016 in “Vestnik dermatologii i venerologii” The comprehensive treatment with biomimetic peptide lotion was effective for hair loss.
38 citations
,
May 2000 in “Livestock production science” Giving high-quality protein or methionine supplements helps improve hair growth in Angora goats and, to a lesser extent, in Cashmere goats.
40 citations
,
July 2015 in “Journal of Cellular Biochemistry” Cysteine helps maintain keratin production in skin cells even when iron is low.
3 citations
,
May 2024 in “Amino Acids” Disrupted cysteine metabolism may cause hair breakage in Alopecia Areata, suggesting potential treatments like N-acetylcysteine.
4 citations
,
December 2018 in “Macedonian Journal of Chemistry and Chemical Engineering” A new method accurately measures amino acids in treated hair, showing bleaching reduces amino acids while protein treatments increase them.
Plant roots respond to fungus smells by possibly using certain proteins and a plant hormone to change root growth, but more research is needed.
27 citations
,
January 2015 in “International Journal of Trichology” The supplement helps improve hair growth and reduce hair shedding.
January 2026 in “Frontiers in Nutrition” Certain dietary supplements can improve hair density and are well-tolerated for treating androgenetic alopecia.
35 citations
,
August 2010 in “The American journal of pathology” Researchers created a new mouse model for studying Citrullinemia Type I and similar conditions, showing symptoms and treatment responses like those in humans.
GV-350 improves hair growth and quality of life in iron-deficient women without side effects.
79 citations
,
January 2017 in “Dermatology practical & conceptual” Correcting nutrient deficiencies may help with hair loss, but the benefits of supplements without a deficiency are uncertain and could be harmful.
1 citations
,
May 2017 in “Asian journal of medical sciences” The dietary supplement significantly improved skin, nails, and hair in older adults.
December 2021 in “Trichology and cosmetology:” Taking Kera-Diet® improves hair and nail health without side effects.
19 citations
,
July 2015 in “Journal of inherited metabolic disease” Methionine restriction works better than betaine for treating CBS deficiency symptoms in mice.
March 2025 in “HAL (Le Centre pour la Communication Scientifique Directe)” De nouvelles thérapies promettent de mieux traiter la perte de cheveux due à l'alopécie androgénétique.
L-PGDS has specific binding sites for its functions and could help in drug delivery system design.
11 citations
,
September 2012 in “Journal of animal physiology and animal nutrition” Higher protein diets with DL-methionine improve mink hair growth and fur quality.
December 2023 in “Research in pharmacy” Phytotherapeutic compounds and supplements can help manage Polycystic Ovarian Syndrome (PCOS).
December 2025 in “Frontiers in Nutrition” Collagen supplements may improve skin, joints, and recovery, especially with added nutrients.
28 citations
,
December 2011 in “Biocatalysis and biotransformation” PDI helps restore over-bleached hair's strength and structure by attaching special peptides.
4 citations
,
December 2013 in “Acupuncture and related therapies” N-acetyl-cysteine shows promise in treating various diseases and may improve skin and hair conditions, but more research is needed on dosages and long-term effects.
36 citations
,
November 2019 in “Molecular biology and evolution” Cysteine-rich keratins evolved independently in mammals, reptiles, and birds for hard skin structures like hair, claws, and feathers.
1 citations
,
August 2004 in “Alternative & complementary therapies” Non-drug methods like diet, supplements, and aromatherapy can help manage hair loss and its emotional impact.
5 citations
,
January 2003 in “Oilseeds and fats, crops and lipids/OCL. Oilseeds & fats crops and lipids” Vegetable protein lowers cholesterol and protein deficiency can cause health issues.
June 2023 in “Research Square (Research Square)” Cupric citrate improves growth, nutrient use, and gut health in broilers.
February 2024 in “International Journal of Health and Pharmaceutical” Black rice extract ointment significantly promotes hair growth in Wistar rats.
4 citations
,
January 1994 Eating onions and garlic may have health benefits, but effects vary by type and preparation.
14 citations
,
October 2020 in “Natural Products and Bioprospecting” Various treatments, including FDA-approved drugs, natural products, and oral supplements, can help with hair loss, but a patient's medical history and potential allergies should be considered when choosing a treatment.