January 2026 in “International Journal of Medicine in Developing Countries” Both hormonal and non-hormonal therapies improve hair growth in women, but non-hormonal methods may be more effective with fewer side effects.
January 2025 in “Skin Appendage Disorders” Herbal remedies may help hair growth, but more research is needed.
November 2023 in “Advances in clinical medical research & healthcare delivery”
July 2023 in “Endocrinology, diabetes & metabolism case reports” Sertoliform endometrioid carcinoma of the ovary, though rare, has a good prognosis when treated early.
November 1993 in “PubMed” Hirsutism, excessive male-pattern hair in women, can be caused by high androgens or skin sensitivity, diagnosed by testosterone levels, and treated with hair removal and hormone therapy.
34 citations
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April 2012 in “Molecular Biology Reports” The enzyme from Bacillus cereus can be used in detergents and leather processing.
Many women with PCOS in Saudi Arabia suffer from depression and anxiety.
July 2021 in “Scholars Journal of Medical Case Reports” Woodhouse-Sakati Syndrome can include unique symptoms like liver issues and low growth hormone.
October 2024 in “UNESP Institutional Repository (São Paulo State University)” Straightening and dyeing damage hair structure.
November 2022 in “International journal of trichology” Glyoxylic acid straighteners cause more protein loss but have similar hair strength effects as traditional alkaline straighteners.
April 2022 in “SDÜ Tıp Fakültesi Dergisi” Sodium benzoate at higher doses can harm kidney and liver functions and cause oxidative stress and DNA damage.
February 2025 in “International Journal of Cosmetic Science” Protein carbonylation is a sensitive marker for oxidative damage in hair, especially from light exposure.
40 citations
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September 2004 in “Biomacromolecules” The Glu413Lys mutation in keratin affects hair stability, while Glu413Asp does not.
3 citations
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January 2002 in “Springer eBooks” Alkaline hair relaxers damage hair, but cationic and non-ionic polymers can help reduce this damage.
3 citations
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June 2019 in “Journal of cosmetic dermatology” Lower pH straighteners change hair more but weaken it.
4 citations
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January 2007 in “Sen'i Gakkaishi” Permed hair degrades faster and shows more damage after protease treatment compared to untreated hair.
1 citations
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January 2006 High temperatures and cosmetic processes can damage hair keratin, affecting its structure and strength.
4 citations
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May 2014 in “PubMed” Monoethanolamine-based hair colorants can cause more damage to hair than ammonia-based ones.
NaOH treatment improves hair strength and suitability for textiles.
September 2018 in “University of the Arts London Research Online (University of the Arts London)” L-arginine, hydrolysed keratin, and cystine-silanol copolymer can help protect hair from damage during and after bleaching.
May 2024 in “Proteome science” Bleaching damages hair by reducing the quality of keratin and keratin-associated proteins.
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.
11 citations
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January 2006 in “Journal of the American Leather Chemists Association” Oxidizing agents break down keratin in wool and hair, causing swelling and increased solubility.
December 2025 in “Biopolymers” Heat worsens damage in chemically treated hair, especially bleached and straightened hair.
September 2025 in “International Journal of Cosmetic Science” Heat and UV exposure damage hair structure by altering keratins.
10 citations
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March 2016 in “Toxicology and applied pharmacology” Using A132 hair dye with sunlight can cause skin damage and hair loss.
Hair fibers degrade and change color in very basic water.
July 2024 in “Journal of Investigative Dermatology” Baicalin may help treat severe drug-induced skin reactions.
4 citations
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January 1994 in “Yakugaku zasshi” EPC-K is stable except at very acidic pH or when exposed to sunlight, and it can decompose in low ethanol concentrations.
January 2013 in “Transactions of the Materials Research Society of Japan” CMADK reduces hair damage from bleaching and permanent waving.