25 citations
,
May 2008 in “Journal of cosmetic dermatology” Conditioning agents, especially jojoba oil and lauryl PEG/PPG-18/18 methicone, protect and strengthen chemically straightened Afro-ethnic hair.
26 citations
,
April 1977 in “PubMed” Minoxidil, a blood pressure drug, can cause excessive hair growth, but this can be successfully treated with a hair removal agent called calcium thioglycolate.
20 citations
,
July 1988 in “Clinics in dermatology” Thioglycolate lotions are the most popular method for permanent waving and hair straightening.
6 citations
,
November 2001 in “Der Hautarzt” Photothermolysis is the best method for permanent hair removal.
5 citations
,
June 2013 in “Fashion business” Rosehip extract improves hair wave, thickness, and color vibrancy.
November 2024 in “Biophysical Chemistry” Hair structure changes immediately during perm treatment, with initial damage partially restored later.
January 2024 in “Journal of Cosmetics Dermatological Sciences and Applications” The creams are safe for pubic hair removal with minor, temporary skin irritation.
Rosehip extract improves hair treatment and waving efficiency with cysteine but not with thioglycolate.
November 2022 in “International journal of trichology” Glyoxylic acid straighteners cause more protein loss but have similar hair strength effects as traditional alkaline straighteners.
December 2012 in “SWU eJournals System (Srinakharinwirot University)” Chemical hair removal can cause skin irritation and other issues, but natural alternatives are being explored.
46 citations
,
April 1977 in “Southern Medical Journal” Minoxidil causes excessive hair growth, but depilatory agent removes it safely and effectively.
18 citations
,
July 2015 in “Journal of cosmetic dermatology” Straightening and coloring hair, especially with sodium hydroxide, greatly increases protein loss.
15 citations
,
June 2019 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” Chemical and physical treatments like bleaching, dyeing, and UV radiation damage both Caucasian and Afro-ethnic hair.
3 citations
,
August 2008 in “PubMed” Repeated digital perming with sodium thioglycolate lotion significantly damages hair protein and structure.
2 citations
,
January 2014 in “Sen i Gakkaishi” The new hair straightening method keeps hair straight permanently by using specific creams and heat.
1 citations
,
January 2013 Depilatories use chemicals to weaken hair for easy removal.
October 2024 in “Cosmetics” ATG effectively reduces hair frizz without damaging hair strength.
October 2024 in “UNESP Institutional Repository (São Paulo State University)” Straightening and dyeing damage hair structure.
Hair product allergies are common, especially to hair dyes, and hairdressers are at higher risk.
January 2017 in “Durham e-Theses (Durham University)” Chemical stressors damage hair structure but the skin's outer layer protects living cells.
October 2015 in “Cosmetic Dermatology” Hair straightening changes hair structure and can cause damage if done wrong, but improvements in the methods are expected to continue.
March 2010 in “Cosmetic Dermatology” Hair straightening methods have advanced to improve effectiveness and reduce damage, but still rely on heat and chemicals.
May 2009 in “International Journal of Cosmetic Science” Permanent waving damages hair protein and weakens hair, especially with repeated treatments using sodium thioglycolate.
January 2001 in “China Surfactant Detergent & Cosmetics” Both conditioners help protect hair from perm damage, but their effectiveness varies.
3 citations
,
January 1990 in “Cancer chemotherapy and pharmacology” Topical thiols may prevent hair loss caused by certain chemotherapy drugs.
47 citations
,
January 2017 in “RSC Advances” Keratin peptides can change hair shape gently without harsh chemicals.
April 2024 in “Chemical engineering journal” The new hydrogel made from thymol and glycyrrhizin helps heal MRSA-infected wounds in rats effectively.
3 citations
,
January 2009 in “Sen'i Gakkaishi” Using both TGA and DTDG in hair straightening reduces hair damage compared to using TGA alone.
94 citations
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September 2008 in “Journal of the American Academy of Dermatology” Traction alopecia is more common in African women than girls, especially when traction is applied to chemically relaxed hair; avoiding such hairstyles may reduce the risk.
44 citations
,
March 1987 in “Journal of The American Academy of Dermatology” Using minoxidil on balding scalps can stimulate hair regrowth and increase blood flow. It's an effective treatment for early hair loss.