Chemical treatments weaken hair's thermal stability and structure.
8 citations
,
March 2020 in “Colloids and surfaces. B, Biointerfaces” Heating hair proteins changes their structure and may improve their blood clotting ability.
73 citations
,
October 2013 in “International Journal of Cosmetic Science” Chemical hair straightening can damage hair and health, needing safer alternatives and stricter regulations.
Hair styling products can cause skin irritation.
1 citations
,
January 2006 High temperatures and cosmetic processes can damage hair keratin, affecting its structure and strength.
1 citations
,
December 2022 in “Skin Research and Technology” The technique helps measure how hair styling ingredients affect hair's stiffness and flexibility.
10 citations
,
January 1994 Hair can be straightened using different chemicals, not just strong alkali.
14 citations
,
September 1968 in “Archives of Dermatology” Using hot combs can cause permanent hair loss on the scalp's crown.
3 citations
,
January 2015 in “Mathematical problems in engineering” Hair damage increases significantly with higher temperatures and longer heating times.
112 citations
,
September 1968 in “PubMed” Hot comb use can cause permanent hair loss on the scalp.
October 2024 in “UNESP Institutional Repository (São Paulo State University)” Straightening and dyeing damage hair structure.
16 citations
,
October 2003 in “Journal of applied polymer science” 2-iminothiorane hydrochloride improves hair waving permanence without damage.
2 citations
,
December 2010 in “PubMed” The new stiffness test works well for gels but not for sprays.
1 citations
,
April 2013 in “Pakistan Journal of Biological Sciences” Hair coloring, waving, and ironing cause more hair damage than not using these treatments.
2 citations
,
March 2005 in “International Journal of Cosmetic Science” Human hair structure varies by ethnicity, and certain treatments can improve hair condition and appearance.
49 citations
,
June 2004 in “Philosophical Transactions of the Royal Society A Mathematical Physical and Engineering Sciences” Human hair becomes weaker and stretches more easily at higher temperatures.
18 citations
,
January 2008 in “Sen'i Gakkaishi” Thioglycolic acid and L-cysteine change hair structure differently during perms, affecting hair strength and curling efficiency.
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.
47 citations
,
January 2017 in “RSC Advances” Keratin peptides can change hair shape gently without harsh chemicals.
Hydrophobic modifications make human hair less affected by water.
3 citations
,
June 2008 in “Springer eBooks” Hair care products clean, protect, style, color, and change hair structure.
Hair keratin treatments can be harmful, potentially causing health issues like skin reactions and cancer.
May 2009 in “International Journal of Cosmetic Science” Permanent waving damages hair protein and weakens hair, especially with repeated treatments using sodium thioglycolate.
January 2012 in “Jounal of The Korean Society of cosmetology” Applying conditioner mid-treatment reduces hair damage during perms.
4 citations
,
January 2022 in “Cosmetics” Avoid high-tension styles and use professional treatments to reduce hair damage and health risks.
January 2025 in “Humanities science current issues” Proper training is crucial for safe and effective hair extensions.
November 2017 in “Koubunshi rombunshuu/Kōbunshi ronbunshū” Hematin in shampoo helps repair and straighten damaged hair.
Scalp cooling helps prevent hair loss and improves quality of life during chemotherapy.
April 2025 in “International Journal of Cosmetic Science” A new hair perming method avoids damage and lasts longer than traditional methods.
Hair coloring and bleaching can permanently break down hair protein and temporarily change its properties.