70 citations
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June 1998 in “Polymer” Permanent waving damages hair by disrupting its keratin structure.
November 2024 in “Biophysical Chemistry” Hair structure changes immediately during perm treatment, with initial damage partially restored later.
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.
4 citations
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August 2014 in “Journal of molecular structure” Chemical treatments on bleached black hair change its internal structure by breaking and reforming bonds, and treatments with hydrolyzed eggwhite protein help repair it.
3 citations
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January 2007 in “Journal of health science” The enzymatic method can effectively identify chemical treatments on hair.
Lightly perming scalp hair can lead to new hair growth, potentially treating baldness.
May 2009 in “International Journal of Cosmetic Science” Permanent waving damages hair protein and weakens hair, especially with repeated treatments using sodium thioglycolate.
8 citations
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January 2009 in “Transactions of the Materials Research Society of Japan” Water-soluble wool keratin can protect human hair from damage during treatments.
Rosehip extract improves hair treatment and waving efficiency with cysteine but not with thioglycolate.
3 citations
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August 2008 in “PubMed” Repeated digital perming with sodium thioglycolate lotion significantly damages hair protein and structure.
37 citations
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October 2015 in “PeerJ” Perming significantly changes hair's molecular structure, while shampoo and conditioner do not.
January 1991 in “Journal of Society of Cosmetic Chemists of Japan” Hair treatments can damage hair by changing its chemical content.
January 2013 in “프로그램북(구 초록집)” Hair perms or treatments seem safe to use up to 3 to 4 times during pregnancy.
3 citations
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October 2006 in “Journal of dermatology” X-ray microscopy can non-invasively show hair structure changes after treatments, but it's less detailed than TEM and needs improvement.
1 citations
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February 1989 in “PubMed” Electrophoresis can effectively analyze hair proteins for forensic use, even after cosmetic treatments and up to 2 years of weathering.
5 citations
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September 2021 in “PubMed” Hair removal methods vary in effectiveness and side effects, with electrolysis being the only permanent solution.
45 citations
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December 2006 in “Biopolymers” Permanent waving weakens hair by altering its protein structure.
January 2013 in “Transactions of the Materials Research Society of Japan” CMADK reduces hair damage from bleaching and permanent waving.
3 citations
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June 2008 in “Springer eBooks” Hair care products clean, protect, style, color, and change hair structure.
150 citations
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July 2001 in “Clinics in dermatology” Proper haircare and communication with doctors are key to managing hair loss and avoiding damage.
1 citations
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August 1984 in “Therapeutische Umschau. Revue thérapeutique” Permanent hair removal with lasers is the most promising treatment for excessive hair growth.
May 2013 in “CRC Press eBooks” Electrolysis and laser treatments offer more permanent hair removal, but have limitations.
January 2012 in “한국미용학회지” Applying conditioner in the middle of a perm process reduces hair damage the most.
11 citations
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August 2019 in “PubMed” Hirsutism in women is mostly caused by polycystic ovary syndrome and idiopathic hyperandrogenism.
1 citations
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January 2025 in “JAAD reviews.” Hypertrichosis involves excessive hair growth and needs careful diagnosis and treatment, considering its psychological effects.
1 citations
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January 2013 in “Indian journal of dermatology, venereology, and leprology” A girl inherited excessive body hair from her mother and grandmother.
20 citations
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July 1988 in “Clinics in dermatology” Thioglycolate lotions are the most popular method for permanent waving and hair straightening.
February 2026 in “Journal of the Korean Society of Cosmetology” Silicone oil viscosity affects hair curling and damage during treatments.
1 citations
,
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.
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.