February 2025 in “Animals” Amino acid-complexed trace minerals improve hair quality and activity in senior dogs.
3 citations
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May 1999 in “Dermatologic Surgery” Dr. Connelly agrees that linear basal cell carcinomas might be more aggressive but highlights the study's lack of clear criteria to identify them.
85 citations
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January 1990 46 citations
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November 1963 in “Journal of Histochemistry & Cytochemistry” Arginine converts to citrulline in hair follicles as proteins harden.
5 citations
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January 2017 in “Elsevier eBooks” The document concludes that cosmetics need biocompatible, eco-friendly ingredients due to aging populations and demand for effective products.
4 citations
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December 1989 in “The Journal of Dermatology” Human hair proteins have similar cysteine and glycine levels to skin proteins.
A new method creates valuable compounds for drug discovery by breaking traditional chemical rules.
February 2025 in “International Journal of Cosmetic Science” A new amino acid derivative, ATS, improves hair texture and moisture, making it easier to straighten curly hair.
December 2010 in “Journal of Oriental Medicine” Black bean, wheat, and rice bran extracts can improve hair growth and quality.
11 citations
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January 1997 in “Journal of Dermatological Science” A new protein linked to hair strength was identified, aiding in understanding brittle hair conditions.
6 citations
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May 2014 in “Biomarkers and Genomic Medicine” Charnoly bodies could be a marker for cell damage, and certain nutrients and proteins might prevent them, potentially helping with brain diseases and cancer.
December 2023 in “Scientific reports” Fermented soy protein may help prevent bone loss by affecting bone cell activity.
November 2022 in “Arab Gulf Journal of Scientific Research” Taurine is important for many body functions and its deficiency can cause health problems.
70 citations
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January 2000 in “Drug Development Research” New butyric acid prodrugs show promise for cancer treatment, anemia management, and protecting hair from chemotherapy damage.
March 2026 in “International Journal of Cosmetic Science” Pal-KCV peptide strengthens hair and reduces breakage by up to 52%.
November 2020 in “Journal of animal science/Journal of animal science ... and ASAS reference compendium” Certain genetic variants in PRLR and PCCA genes may lead to shorter hair in cattle, which could help with heat tolerance.
April 2024 in “Current research in nutrition and food science” Taking an amino acid supplement improved skin, hair, and nail health in women.
6 citations
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January 2013 in “Korean Journal of Pharmacognosy” Wheat bran can boost hair growth by affecting cell cycle proteins and signaling pathways.
3 citations
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January 2023 in “Agronomy” KDML105 bran extract may help with hair growth and prevent hair loss.
45 citations
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January 1977 in “Advances in experimental medicine and biology” Hair follicles have an enzyme that converts arginine to citrulline in proteins.
7 citations
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January 1982 in “Acta agriculturae Scandinavica” Mink use L-methionine and L-cystine slightly better than natural amino acids for hair growth, but D-methionine is not effective.
August 2022 in “Clinical and Experimental Dermatology” Amino acid supplements may not be necessary for all women with chronic hair loss.
12 citations
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February 1998 in “Gene” The B2 genes are crucial for hair growth in rats.
February 2024 in “Journal of the European Academy of Dermatology and Venereology” Baricitinib is effective and safe for long-term use in severe alopecia areata, improving hair regrowth and quality of life with few side effects.
5 citations
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June 2024 in “Experimental Dermatology” High beta-hydroxybutyrate levels may worsen hair loss in alopecia areata.
13 citations
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January 2018 in “Advances in experimental medicine and biology” 69 citations
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January 2021 in “Journal of Biological Chemistry” Plant-derived amino acids can help develop new antimicrobial drugs.
1 citations
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August 2014 in “OhioLink ETD Center (Ohio Library and Information Network)” Alkylated keratin from human hair can help deliver growth factors for bone healing.
November 2025 in “Frontiers in Pharmacology” Fermented rice bran extract helps delay skin aging by boosting collagen and elastin.
3 citations
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January 1988