10 citations
,
January 2012 in “International Journal of Cosmetic Science” Thioglycolic acid mainly affects the unordered areas in hair structure.
November 2025 in “Zenodo (CERN European Organization for Nuclear Research)” Hair dyeing changes hair structure, but new technologies help protect hair while coloring.
December 2025 in “Universal library of medical and health sciences.” Amino acids like arginine and cysteine protect hair during chemical treatments, keeping it strong and less brittle.
4 citations
,
January 2022 in “Cosmetics” Avoid high-tension styles and use professional treatments to reduce hair damage and health risks.
May 2026 in “Applied Spectroscopy” Humidity affects hair structure changes during stretching.
November 2025 in “International Journal of Science and Research Archive” Oxidative dyes damage hair more than semi-permanent dyes, but new technologies help protect hair while coloring.
Transglutaminases help form strong hair by linking proteins, and can potentially alter hair properties.
40 citations
,
February 2002 in “International Journal of Dermatology” Permanent hair dye damages hair but it mostly recovers after 8 weeks; using certain hair care products can help repair it.
January 2021 in “Lecture notes in mechanical engineering” High temperatures, acidic conditions, and too much coconut oil damage hair, while a pH of 5 to 7 keeps it healthy.
January 1991 in “Journal of Society of Cosmetic Chemists of Japan” Hair treatments can damage hair by changing its chemical content.
4 citations
,
July 2016 in “Journal of cosmetic dermatology” Dermatologists should use hair relaxers carefully to avoid hair and scalp damage, following specific guidelines for application and maintenance.
January 2014 in “한국미용학회지” UV-A radiation significantly damages semi-permanent dyed hair.
15 citations
,
January 1998 Frequent blow-drying causes cracks and breakage in hair cuticles.
2 citations
,
September 2010 in “Journal of the Korea Academia-Industrial cooperation Society” Using 2% collagen in perms reduces hair damage while keeping curls.
August 2007 in “Microscopy and Microanalysis” Hair fibers break by cuticle cell slipping, shape changing, cuticle fraying, and surface cracking when stretched under specific conditions.
21 citations
,
October 2014 in “Actas dermo-sifiliográficas/Actas dermo-sifiliográficas” Hair dyes can change hair color temporarily or permanently but may cause side effects like skin reactions and hair damage.
6 citations
,
October 2003 in “Journal of applied polymer science” A new method using poly(ethylene imine) improves hair dyeing at lower temperatures with better color retention.
January 1994 in “Journal of the society of cosmetic chemists” November 2010 in “SciVee”
NaOH treatment improves hair strength and suitability for textiles.
December 2012 in “SWU eJournals System (Srinakharinwirot University)” Chemical hair removal can cause skin irritation and other issues, but natural alternatives are being explored.
June 2023 in “Zenodo (CERN European Organization for Nuclear Research)”
1 citations
,
November 2019 in “Applied sciences” Human hair provides more UV protection when aligned and at higher angles, but the scalp still gets UV exposure.
Human hair can almost fully recover its structure within about 1,000 minutes after being stretched.
3 citations
,
September 2015 in “Plastic and reconstructive surgery/PSEF CD journals” Pulsed Electric Fields can effectively stimulate hair growth in rats.
Hair care products can cause skin irritation and allergies.
4 citations
,
June 2022 in “Journal of cleaner production” New eco-friendly method strengthens and sets hair using light and causes less damage.
40 citations
,
June 2013 in “Journal of cosmetic dermatology” Brazilian keratin treatments can straighten hair but may contain harmful formaldehyde.
May 2010 in “International Journal of Cosmetic Science” Mercaptans make hair more prone to damage, with reduced hair being more affected than permed hair.