January 2001 in “China Surfactant Detergent & Cosmetics” Both conditioners help protect hair from perm damage, but their effectiveness varies.
October 2025 in “Journal of the Korean Society of Cosmetology” Dandelion extract mist protects hair from heat damage and improves styling.
Perming, combing, and stretching damage hair by reducing keratin levels.
Applying conditioner in the middle of a perm process reduces hair damage.
November 2001 in “PubMed” Perming, combing, and stretching damage hair by reducing keratin.
January 2013 in “프로그램북(구 초록집)” Hair perms or treatments seem safe to use up to 3 to 4 times during pregnancy.
research Hair
January 2026 in “AAPS introductions in the pharmaceutical sciences” March 2016 in “The Korean Society of Beauty and Art” MSG-based hair hardener improves hair thickness, strength, and wave retention after perms.
2 citations
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January 2014 in “Sen i Gakkaishi” The new hair straightening method keeps hair straight permanently by using specific creams and heat.
3 citations
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August 2008 in “PubMed” Repeated digital perming with sodium thioglycolate lotion significantly damages hair protein and structure.
June 2023 in “Zenodo (CERN European Organization for Nuclear Research)”
January 2005 in “Seibutsu Butsuri/Seibutsu butsuri” Chemical treatments damage hair more than UV exposure, making it thinner and less flexible.
1 citations
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May 1983 in “Acta dermato-venereologica” The hairpiece matted due to weathered hair after shampooing.
November 2024 in “Biophysical Chemistry” Hair structure changes immediately during perm treatment, with initial damage partially restored later.
Hair restoration can be permanent.
June 2023 in “Zenodo (CERN European Organization for Nuclear Research)” December 2021 in “2021 International Conference on Electronic Information Technology and Smart Agriculture (ICEITSA)” Chemical dyes damage hair's internal structure more than perming, as shown by a special imaging technique.
15 citations
,
December 1972 in “Journal of Investigative Dermatology”
January 2013 in “Sen'i Gakkaishi” Microfibrils are key for permanent waves, and hydrolyzed keratin improves wave formation and hair condition.
July 2022 in “Zenodo (CERN European Organization for Nuclear Research)” June 2022 in “Zenodo (CERN European Organization for Nuclear Research)” July 2022 in “Zenodo (CERN European Organization for Nuclear Research)” 28 citations
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January 2016 in “RSC Advances” A non-toxic formula using polycarboxylic acids strengthens and improves hair.
1 citations
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March 2023 in “Journal of Natural Fibers” A gentler, less damaging method for curling hair using tyrosine works well initially but fades after washing.
15 citations
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January 1989 in “European Journal of Cancer and Clinical Oncology” May 2016 in “Hair transplant forum international” 5 citations
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November 2023 in “Journal of Advanced Research” New methods may change hair color and shape from the root, revolutionizing hair styling.