January 2025 in “International Journal of Cosmetic Science” Citric acid strengthens and improves damaged hair.
July 2026 in “Journal of the American Academy of Dermatology” 1 citations
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January 2010 in “LA Referencia (Red Federada de Repositorios Institucionales de Publicaciones Científicas)” Conditioners improved hair protein retention and combing ease, with some providing thermal protection.
August 2005 in “Microscopy and Microanalysis” Polymethylene wax in hair relaxers makes hair smooth and shiny with less damage.
18 citations
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January 2008 in “Sen'i Gakkaishi” Thioglycolic acid and L-cysteine change hair structure differently during perms, affecting hair strength and curling efficiency.
September 2010 in “International Journal of Cosmetic Science” Chemical treatments change hair surface properties, making it more hydrophilic and able to bind conditioners.
1 citations
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January 2004 in “China Surfactant Detergent & Cosmetics” The compound improves hair conditioning in shampoos.
1 citations
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June 1999 in “American Journal of Contact Dermatitis” Shampoos should treat scalp issues while keeping hair soft and shiny.
10 citations
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January 1994 in “Cosmetics and toiletries” Ceramide treatment can strengthen and protect hair from damage.
January 2001 in “China Surfactant Detergent & Cosmetics” Both conditioners help protect hair from perm damage, but their effectiveness varies.
3 citations
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May 2023 in “International Journal of Molecular Sciences” A new treatment using nanoparticles can effectively prevent and reduce hair loss caused by chemotherapy.
25 citations
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January 2019 in “Journal of Pharmacy And Bioallied Sciences” The herbal shampoo is a chemical-free, nourishing product with excellent conditioning, cleansing, and antimicrobial effects.
November 2022 in “International journal of trichology” Glyoxylic acid straighteners cause more protein loss but have similar hair strength effects as traditional alkaline straighteners.
3 citations
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January 1989 in “Journal of Japan Oil Chemists Society” AMT is the best surfactant for hair and scalp care.
July 2026 in “Preprints.org” A cysteamine-derived compound helps hair stay straight in high humidity.
3 citations
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April 2025 in “International Journal of Pharmaceutics” Nanocrystals improve alopecia areata treatment by better targeting hair follicles.
10 citations
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January 1994 Hair can be straightened using different chemicals, not just strong alkali.
6 citations
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October 2003 in “Journal of applied polymer science” A new method using poly(ethylene imine) improves hair dyeing at lower temperatures with better color retention.
September 2019 in “The journal of investigative dermatology/Journal of investigative dermatology” Mononuclear cells may protect against certain chemotherapy-induced hair loss.
75 citations
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March 2009 in “Journal of The American Academy of Dermatology” CCCA is a hair loss type affecting African women, possibly caused by grooming and chemicals, with various treatments and needing more research.
36 citations
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October 2014 in “Langmuir” Bleaching hair removes its protective top layer and exposes more hydrophilic groups, changing its chemical surface and affecting how it interacts with products.
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.
3 citations
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January 2009 in “Sen'i Gakkaishi” Using both TGA and DTDG in hair straightening reduces hair damage compared to using TGA alone.
April 2021 in “Arab Journal of Nuclear Sciences and Applications/Arab Journal of Nuclear Sciences and Applications ” Repeated use of protein hair conditioner with heat or gamma irradiation can harm skin and hair health in rats.
1 citations
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June 2019 in “International Journal of Applied Pharmaceutics” Nanostructured lipid carriers can effectively repair hair split-ends for over 3 days.
June 2026 in “Advanced Healthcare Materials” A new taurine-based liquid can help treat hair loss by improving hair follicle health and promoting regrowth.
4 citations
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August 2023 in “Biomedicine & Pharmacotherapy” Ivacaftor can protect against noise-induced hearing loss by reducing oxidative stress.
4 citations
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July 2025 in “Frontiers in Pharmacology” Cooling with antioxidants helps protect hair during chemotherapy.
August 2018 in “Biomedical Journal of Scientific & Technical Research” Treated hair can fight dandruff and odor even after several washes.
1 citations
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January 1998 in “Cosmetics and toiletries” Both amodimethicone and dimethicone copolyol amine are effective hair conditioners.