1 citations
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April 2021 in “Han'gug miyong haghoeji/Journal of the Korean society of cosmetology” Aspartic acid at 0.75% makes perms more effective and less damaging to hair.
November 2024 in “International Journal of Cosmetic Science” Haircare products with a pH between 5 and 7 are best for maintaining healthy hair.
5 citations
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October 2024 in “International Journal of Molecular Sciences” Piperonylic acid may help hair growth and treat hair loss.
2 citations
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October 2023 in “Philosophical transactions - Royal Society. Biological sciences” Enzymes that change arginine to citrulline are important for skin barrier and hair formation, and their malfunction can lead to skin conditions and hair disorders.
Lablab purpureus peptides may effectively kill cancer cells with fewer side effects.
138 citations
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November 2015 in “Journal of Pharmacology and Experimental Therapeutics” Protoporphyrin IX is useful in cancer treatment but can cause health problems if not properly regulated.
Alpha-ketoglutaric acid may help treat aging and age-related diseases.
18 citations
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June 2016 in “Clinical and Experimental Dermatology” Increasing isoleucine intake improved skin and health issues in an infant with maple syrup urine disease.
15 citations
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December 2020 in “The Journal of General Physiology” Acid can block TRPV3 from outside the cell but boost its function from inside.
4 citations
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April 2025 in “Antioxidants” Alpha-ketoglutarate protects rabbit skin cells from oxidative damage by activating a specific cell pathway.
April 2016 in “Journal of Investigative Dermatology” A peptide known for reducing wrinkles also effectively inhibits an enzyme linked to skin inflammation and acne.
19 citations
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November 1971 in “Clinica Chimica Acta” The document concludes that measuring γ-glutamyl transpeptidase activity is more accurate with a higher substrate concentration and using diluted acetic acid to stop the reaction.
32 citations
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December 1965 in “The Lancet” Argininosuccinic aciduria can cause hair loss.
February 2026 in “UiTM Institutional Repositories (Universiti Teknologi MARA)” Cis-UCA can form new compounds without enzymes, and sulphide donors reduce its UVB-induced toxicity in skin cells.
2 citations
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December 2018 in “Natural Product Research” A new compound from fermented papaya may help stimulate hair growth.
20 citations
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January 2015 in “Biochimica and biophysica acta. Molecular and cell biology of lipids” Lysophosphatidic acid affects sensory neurons and may cause neuropathic pain and itch.
21 citations
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January 2010 in “JOURNAL OF HEALTH SCIENCE” Abietic acid from pine resin can effectively inhibit testosterone 5α-reductase.
April 2019 in “Digital Library of Theses and Dissertations (Universidade de São Paulo)” Hair straightening at pH 1.0 improves alignment but weakens hair more than pH 2.0.
6 citations
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September 2015 in “Journal of Medicinal Chemistry” The document confirms the structures of major metabolites of the CRTh2 antagonist Setipiprant and identifies minor metabolites.
5 citations
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May 2025 in “Chemical and Biological Technologies in Agriculture” Humic acids enhance plant growth by improving root development and photobiology.
September 2025 in “Science Advances” PADI4 enzyme slows down cell growth in developing hair follicles.
February 2026 in “Journal of Microbiology and Biotechnology” Abietic acid from pine rosin can effectively fight and reduce harmful skin microbes.
September 2020 in “bioRxiv (Cold Spring Harbor Laboratory)” Glutamic acid helps mice grow hair.
3 citations
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December 1975 in “PubMed” ALP and ACP have different roles in dog skin, with ALP aiding growth and maintenance, and ACP involved in breakdown processes.
February 2026 in “International Journal of Molecular Sciences” 3-Hydroxypropionic acid may help treat hair loss by promoting hair growth in cells.
5 citations
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January 2015 in “Molecular Genetics and Metabolism” 3 citations
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July 2023 in “Acta Biomaterialia” PepACS offers a safer, eco-friendly way to perm, dye, and repair hair.
15 citations
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August 1991 in “American Journal of Medical Genetics” A special diet can fix hair problems in argininosuccinase deficiency.
April 2015 in “Journal of Nutritional Therapeutics” Looser dietary restrictions can improve growth and reduce illness in methylmalonic acidemia patients.
September 1978 in “PubMed” Chondroitin sulphate is more abundant than hyaluronic acid in skin and hair samples, except in gamma-keratosis.