34 citations
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March 2009 in “British journal of dermatology/British journal of dermatology, Supplement” Vitamin C derivative helps hair grow longer by making cells produce a growth factor through a specific cellular pathway.
10 citations
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October 2014 in “Journal of Ovarian Research” The IRS-2 Asp/Asp genotype may increase the risk of PCOS in Chinese women, especially if they are not obese.
11 citations
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June 2017 in “Journal of cell science” AGD1's PH domain is essential for its role in root hair growth and polarity.
20 citations
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February 2017 in “European journal of pharmaceutical sciences” The MPA-ISO cocrystal improved solubility and dissolution rate, while the others did not.
April 2025 in “Pharmaceuticals” APA is a promising new compound for repairing damaged hair, outperforming Olaplex® in strength and elasticity.
3 citations
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June 2019 in “Journal of cosmetic dermatology” Lower pH straighteners change hair more but weaken it.
January 2011 in “Journal of Society of Cosmetic Chemists of Japan” 18-MEA and SPDA can restore damaged hair's smoothness and reduce frizz.
8 citations
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February 2022 in “Molecules” Asparagus racemosus root extract reduced sebum and pore size in men but not in women.
4 citations
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January 1976 in “Archives of Dermatological Research” Metabolic disorders can cause hair structure defects and growth issues, but amino acid levels in hair remain normal.
7 citations
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December 1970 in “Biochimica et Biophysica Acta (BBA) - Protein Structure” The study identified a key protein involved in producing underarm odor and found ways to inhibit it.
Natural α-hydroxyl acids cause skin exfoliation by activating TRPV3 channels.
49 citations
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July 1994 in “British journal of dermatology/British journal of dermatology, Supplement” Some children with methylmalonic and propionic acidaemias have skin problems related to their condition and diet.
125 citations
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February 1971 in “Biochemistry” Specific cross-linkages help make hair proteins stable and strong.
46 citations
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April 1987 in “Brain Research” Hair-follicle nerves in cats' spinal cords can be inhibited by GABA-related connections.
5 citations
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February 1998 in “Polymer” Human hair keratin has a 40% α-helix structure that changes to a random coil in 8 M urea.
August 2025 in “Bioactive Materials” Ac-GFFY-IGF peptide is a promising, safe, and effective treatment for hair loss, better than current options.
2 citations
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August 2004 Early diagnosis and proper treatment improve outcomes for methylmalonic acidemia.
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November 2007 in “Journal of Dermatological Science” Vitamin C derivative may promote hair growth by activating specific genes.
28 citations
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December 2015 in “Journal of biological chemistry/The Journal of biological chemistry” Prostasin has two roles in skin: one for normal skin development without needing activation, and another for proper hair growth that requires activation.
22 citations
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April 2006 in “Journal of Dermatological Science” Vitamin C derivative increases versican in cells, potentially aiding hair growth.
54 citations
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February 2002 in “Carcinogenesis” Increasing SSAT makes skin more prone to cancer.
November 2024 in “International Journal of Cosmetic Science” Haircare products with a pH between 5 and 7 are best for maintaining healthy hair.
August 2018 in “Journal of Investigative Dermatology” Polyunsaturated fatty acids, like arachidonic acid and eicosapentaenoic acid, can promote hair growth and may help treat hair loss.
3 citations
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January 2015 in “Sen i Gakkaishi” The new keratin film without KAPs stains better and could help study keratin functions.
16 citations
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November 2018 in “Medicinal Chemistry” The compound GD-23 may reduce anxiety like diazepam by targeting the TSPO receptor.
6 citations
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October 2016 in “Pediatric Dermatology” A 6-year-old girl had a rare allergic reaction to a hair regrowth treatment.
1.5% lactic acid improved mink growth and health best.
128 citations
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December 2006 in “Journal of Biological Chemistry” Altering SSAT affects fat metabolism and body fat in mice.
17 citations
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September 2000 in “Journal of dermatology” A baby with a rare metabolic disorder developed a rash not cured by zinc alone, likely due to both zinc and amino acid deficiencies.