May 2010 in “International Journal of Cosmetic Science” Mercaptans make hair more prone to damage, with reduced hair being more affected than permed hair.
May 2009 in “International Journal of Cosmetic Science” Permanent waving damages hair protein and weakens hair, especially with repeated treatments using sodium thioglycolate.
December 2000 in “Kirk-Othmer Encyclopedia of Chemical Technology” Hair care products are regulated, with shampoos, conditioners, dyes, and styling products designed for cleaning, enhancing, and maintaining hair.
1 citations
,
January 2013 Depilatories use chemicals to weaken hair for easy removal.
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.
18 citations
,
August 2009 in “Skin Research and Technology” OCT can identify hair structures, but chemical treatments can damage them.
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
,
January 1990 in “Cancer chemotherapy and pharmacology” Topical thiols may prevent hair loss caused by certain chemotherapy drugs.
2 citations
,
January 2014 in “Sen i Gakkaishi” The new hair straightening method keeps hair straight permanently by using specific creams and heat.
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 2024 in “Molecules (Basel. Online)” Juglone from walnut extracts may help repair damaged hair.
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.
January 2001 in “China Surfactant Detergent & Cosmetics” Both conditioners help protect hair from perm damage, but their effectiveness varies.
47 citations
,
January 2017 in “RSC Advances” Keratin peptides can change hair shape gently without harsh chemicals.
11 citations
,
January 2006 in “Drug development and industrial pharmacy” Adding TPGS to minoxidil solutions can improve skin penetration and retention, especially in water and PEG 400-based solutions.
94 citations
,
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.
54 citations
,
January 2013 in “Journal of Biological Macromolecules” A new method effectively separates keratin-associated proteins and keratin from human hair.
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.
29 citations
,
August 2005 in “Biopolymers” L-cysteine slows down the breaking of bonds in hair due to electrostatic interactions.
27 citations
,
December 2001 in “Clinical and experimental dermatology” Different hair removal methods have pros and cons, and more evidence is needed to prove laser treatments work.
16 citations
,
October 2003 in “Journal of applied polymer science” 2-iminothiorane hydrochloride improves hair waving permanence without damage.
7 citations
,
August 2018 in “Journal of cosmetic dermatology” Chemical hair straightening improves smoothness and shine but may cause side effects, suggesting a need for safer methods.
7 citations
,
May 2016 in “European Polymer Journal” The new nanocarriers improve how well water-insoluble drugs dissolve and allow for controlled drug release.
4 citations
,
January 2015 in “Sen'i Gakkaishi” Hair and wool strength is affected by the number and type of bonds in their protein structures, with hair having more protein aggregates than wool.
4 citations
,
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.