2 citations
,
January 2011 Relaxers straighten African hair by breaking down its helical structure using strong bases.
July 2025 in “International Journal of Cosmetic Science” A new 6-point scale reliably measures heat damage to hair from styling tools.
54 citations
,
September 2000 in “Archives of dermatology” A hair-straightening product caused widespread hair loss and scalp injuries, mainly affecting African American women.
3 citations
,
June 2023 in “ACS sustainable chemistry & engineering” The study found a green method for strengthening hair works on all hair colors and is eco-friendly.
May 2025 in “Journal of research in pharmaceutical science.” The herbal hair serum with hibiscus, flaxseed, and aloe vera improves hair smoothness and shine without harmful effects.
2 citations
,
February 2016 in “Journal of sol-gel science and technology” A small molecule can strengthen fine hair, making it more resistant and natural-feeling.
April 2025 in “International Journal of Cosmetic Science” A new hair perming method avoids damage and lasts longer than traditional methods.
February 2026 in “Zenodo (CERN European Organization for Nuclear Research)” Use heat protection and proper techniques to prevent hair damage from styling.
17 citations
,
July 2018 in “International Journal of Cosmetic Science” Keratin-based particles safely improve hair strength, smoothness, and heat protection.
February 2026 in “Zenodo (CERN European Organization for Nuclear Research)” Use heat protection and proper techniques to prevent hair damage from styling.
NaOH treatment improves hair strength and suitability for textiles.
Using silicon circular iron on Korean women's hair increases hair thickness the most.
25 citations
,
May 2019 in “Heliyon” Hair treatments cause significant structural changes, especially with excessive heat, regardless of ethnicity.
November 2017 in “Koubunshi rombunshuu/Kōbunshi ronbunshū” Hematin in shampoo helps repair and straighten damaged hair.
February 2022 in “Cosmetic Dermatology” Permanent hair waving uses chemicals to create long-lasting curls.
28 citations
,
January 2016 in “RSC Advances” A non-toxic formula using polycarboxylic acids strengthens and improves hair.
1 citations
,
June 2014 in “[Thesis]. Manchester, UK: The University of Manchester; 2014.” Chemical modifications can alter hair's stability and flexibility, with hydrophobic interactions helping maintain structure in humid conditions.
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.
Chemical treatments weaken hair's thermal stability and structure.
1 citations
,
January 2010 in “Han-guk hyeonmigyeong hakoeji/Applied microscopy” Straight permed hair loses weight faster than virgin hair when heated, but ends up heavier after burning.
2 citations
,
June 2018 in “Cosmetics” AMPD is a better and less damaging alternative to ammonium hydroxide for hair bleaching.
20 citations
,
September 2018 in “Journal of colloid and interface science” Modified keratin binds better to hair, especially bleached hair.
150 citations
,
July 2001 in “Clinics in dermatology” Proper haircare and communication with doctors are key to managing hair loss and avoiding damage.
1 citations
,
January 2017 in “Elsevier eBooks” Functional materials in hair care improve shine, volume, frizz control, color protection, and repair.
2 citations
,
January 2016 in “Springer briefs in molecular science” Using natural sources as hair conditioners can help restore shine and softness to damaged hair.
August 2024 in “Cosmetics” K18® and Olaplex® both effectively repair bleached hair, improving its strength, smoothness, and overall health.
23 citations
,
January 2016 in “Forensic Science International” Thermal hair straightening changes drug levels in hair, affecting test results.
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.