Water and fatty acids affect hair's surface differently based on hair damage, and models can help understand hair-cosmetic interactions.
18 citations
,
October 2018 in “Nutrients” Annurca apple extract promotes hair growth by changing hair follicle metabolism to boost keratin production.
18 citations
,
August 2014 in “Lipids” Human hair has more unsaturated fats inside than on the surface, and certain lipids may help bind the outer and inner layers together.
4 citations
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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.
3 citations
,
January 2009 in “Sen'i Gakkaishi” Using both TGA and DTDG in hair straightening reduces hair damage compared to using TGA alone.
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.
December 2025 in “Universal library of medical and health sciences.” Amino acids like arginine and cysteine protect hair during chemical treatments, keeping it strong and less brittle.
87 citations
,
March 2000 in “American Journal of Clinical Dermatology” Alpha-hydroxy acids, like glycolic acid, safely improve skin issues and work on all skin types.
47 citations
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March 2019 in “Journal of immunology research” Valproic Acid could potentially be used to treat immune-related conditions due to its ability to modify immune cell functions.
31 citations
,
October 2010 in “Progress in lipid research” LPA3 is crucial for embryo implantation and links LPA to prostaglandin signaling.
November 2025 in “Frontiers in Endocrinology” Apigenin and ellagic acid may help manage PCOS symptoms.
January 2025 in “Institutional Repositories DataBase (IRDB)” Maslinic acid from olive extracts promotes hair growth like minoxidil.
March 2026 in “Dermatology Online Journal” Cystic panfolliculoma is a rare, harmless tumor that can be confused with other skin tumors.
October 2020 in “Journal of Pharmaceutical Sciences” Topical finasteride with EGCG or TA improves drug release and dermal uptake, potentially treating hair loss effectively.
19 citations
,
November 2018 in “Nutrients” Annurca apple extract may protect mouse hair from damage by chemotherapy and could help treat hair loss without promoting cancer growth.
14 citations
,
November 2015 in “Annals of the New York Academy of Sciences” Changing the diet of mice lacking the enzyme CBS can affect symptoms related to the genetic condition.
1 citations
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January 2017 in “Tohoku journal of experimental medicine” A woman's mature cystic teratoma caused her virilization by producing testosterone.
12 citations
,
August 1984 in “Genetics Research” The N gene affects the protein makeup of mouse hair.
January 2022 in “Asian Pacific Journal of Health Sciences” Women with PCOS risk had normal height and blood tests but higher weight and common acne or hirsutism.
4 citations
,
November 1968 in “Textile research journal” Hair fibers may have a unique, non-protein sheath not previously identified.
June 2024 in “ChemBioChem” Replenishing free 18-MEA can help restore damaged hair surfaces.
54 citations
,
January 2013 in “Journal of Biological Macromolecules” A new method effectively separates keratin-associated proteins and keratin from human hair.
8 citations
,
January 2009 in “Transactions of the Materials Research Society of Japan” Water-soluble wool keratin can protect human hair from damage during treatments.
69 citations
,
September 1991 in “Journal of Surgical Research” Understanding how fetal wounds heal could help improve healing in adults.
11 citations
,
September 2015 in “Theriogenology” Testosterone boosts fluid and electrolyte secretion in seminal vesicles, aiding sperm function.
January 2018 in “The Kaohsiung journal of medical sciences” A young man had a rare case of hair cysts on his elbows, which was hard to diagnose and treat.
19 citations
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January 2009 in “International review of cell and molecular biology” Hair's strength and flexibility come from its protein structure and molecular interactions.
November 2025 in “Cosmetics” Rice germ oil improves hair health, but adding ferulic acid offers limited benefits and may worsen chemically damaged hair.
Human hair keratins can self-assemble and support cell growth, useful for biomedical applications.
July 2018 in “International journal of clinical & experimental dermatology” Eat a balanced diet for healthy hair; only use supplements if you have a proven nutrient deficiency.